RSS, OPML and the XML platform.
The RSS Blog
Sat, 30 Jun 2007 01:08:16 GMT
Friday, June 29, 2007

How to Read and Write RSS Feeds > Using XML
authored by Rogers Cadenhead
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Facebook Placing Limits on App Virality
Facebook is the new MySpace, in more ways than one.
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Posted with Rmail R|mail.
Fri, 29 Jun 2007 10:45:19 GMT
Thursday, June 28, 2007

MySpace unveils YouTube equivalent, founders demand more $
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Facebook Out of Control? (by Jeremy Zawodny)
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Posted with Rmail R|mail.
Thu, 28 Jun 2007 14:48:08 GMT
iPhone RSS Reader

Apple appears to be developing a Web-based RSS reader for the iPhone.

iphone.rss

http://reader.mac.com/

Around the blogosphere...

Thu, 28 Jun 2007 00:11:20 GMT
Wednesday, June 27, 2007

MySpace to Launch YouTube Killer Tomorrow | Marketing Pilgrim
You know you've hit the big time when somebody releases an app that is suppose to kill you ;-)
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List of User-Agents (Spiders, Robots, Browser)
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Posted with Rmail R|mail.
Wed, 27 Jun 2007 21:15:44 GMT
The Facebook Economy

Jash Catone asks if the Facebook platform is a fad or a success. It turns out that two Facebook applications have been sold for small profits. I suspect that it's both a fad and success. Facebook got developers to write apps for them and lock-in users. Developers made coin. Users got apps. That's a lot of success. Will people be writting Facebook apps in 3 years? I doubt it. That's a fad.

http://www.readwriteweb.com/archives/facebook_acquisitions.php

Wed, 27 Jun 2007 07:05:21 GMT
Tuesday, June 26, 2007

davidrothman.net テつサ Blog Archive テつサ Using Pipes: Feed Translation and Topping Technorati
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Posted with Rmail R|mail.
Wed, 27 Jun 2007 02:15:45 GMT
Translate Your RSS Feeds

I've had this one in the pipes for awhile ;-) David Rothman discovered that you can use Yahoo! Pipes to translate your feeds to many languages.

yahoopipes

Much is lost in the translation, but here's The RSS Blog in all your favorite languages.

This is my first Yahoo! Pipes non-trivial experiment.  Dave Rothman has more details, so please read his blog.

http://davidrothman.net/2007/02/11/using-pipes-feed-translation-and-topping-technorati/

Tue, 26 Jun 2007 14:56:52 GMT
The Walled Garden of Facebook
Everybody is going nutty about the Facebook platform. They are writing custom widgets for Facebook. They are saying that Facebook is the greatest because it support proprietary widgets. WTF? We already have an API for widgets, it's called HTML. We've been embedding widgets in MySpace for years using HTML. Why does Facebook need a proprietary widgets API? It's called lock-in. A walled garden. The work you do on your Facebook widget doesn't port to other social platforms. In this case, platform means proprietary. When the euforia fades, just how many $billions are going to get spent by 3rd parties to better the Facebook platform? This is nuts!
Tue, 26 Jun 2007 05:12:57 GMT
Monday, June 25, 2007

How-To Guide on Converting Your Feedburner E-mail Form to a Link
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Refocusing on microformats
Tantek on the first 2 years of microformats and the future.
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Posted with Rmail R|mail.
Mon, 25 Jun 2007 02:41:43 GMT
Sunday, June 24, 2007

Oregon State University News Feeds (RSS)
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Thu, 21 Jun 2007 03:25:37 GMT
Wednesday, June 20, 2007

Cross Promote Your RSS Feed with Blog Widgets at Digital Inspiration Technology Guide
Widgets for your RSS feed
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How To: Translate a foreign language RSS feed - Lifehacker
Translate your RSS feed
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Snap Gets MySpace Profile Previews
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Posted with Rmail R|mail.
Wed, 20 Jun 2007 11:15:59 GMT
Tuesday, June 19, 2007

How to translate RSS feeds | Webware : Cool Web apps for everyone
Where is Babelfish for RSS?
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Posted with Rmail R|mail.
Tue, 19 Jun 2007 08:40:54 GMT
Monday, June 18, 2007

Feedrer.com Beta
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FeedBurner Acquisition to Make RSS Mainstream
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Posted with Rmail R|mail.
Mon, 18 Jun 2007 22:47:00 GMT
RSS Profile Nearing Completion
The RSS Best Practices Profile has been revised and is close to being submitted to a vote of the RSS Advisory Board. Aggregator developers and RSS publishers who'd like to submit recommendations for inclusion in the document are encouraged to...
Link - Comments - Mon, 18 Jun 2007 15:04:20 GMT - Feed (12 subs)
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Mon, 18 Jun 2007 03:32:20 GMT
Sunday, June 17, 2007

Invalid RSS - The RSS Blog
James that Simpy's RSS may be worse than first perceived.
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120+ RSS テ堕テ青オテ堕テ堕ε堕テ堕テ青ク テ青キテ青ー テ青アテ青サテ青セテ青ウテ堕甘堕テ青ク テつォ Web 2.0 News
Bulgarian translation of the RSS list. Thanks James!
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Sun, 17 Jun 2007 23:25:06 GMT
Saturday, June 16, 2007

Facebook RSS Feed Reader Application
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FeedDemon - Worth Buying ? - Online Diary
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Posted with Rmail R|mail.
Sun, 17 Jun 2007 17:39:32 GMT
Craigslist has Invalid RSS

I got a report from a user today that Craigslist is also publishing invalid RSS. In this case, they are missing the colon in the timezone offset.

<dc:date>2007-06-17T10:29:18-0700</dc:date>

There's definitely an up-tic in the amount of invalid RSS being produced.

Sat, 16 Jun 2007 17:55:58 GMT
RSS 2.0 Gaining Marketshare

Rogers Cadenhead points out that RSS 2.0 is gaining market share since the RSS Advisory Board expanded. In the same period, Atom as lost market share.

Tim Bray points out that there's a new version of RSS (RSS 2.0.9). He also mentions that Atom has been stable since 2005. He fails to mention that Atom feeds produced before 2005 are incompatible with the current draft of Atom and that the current version of RSS is backwards compatible to RSS 0.91 (written in 1999).

I think these two points are well connected. All Atom feeds were broken in 2005 by a major change to the format. RSS, on the other hand, has remained backwards compatible thru the ages. Thanks mostly to the stubbornness of Dave Winer. Ya, we know he is stubborn, was and remains, but it turns out he was also right.

https://workbench.cadenhead.org//news/3227/tim-bray-rss-twice-good-atom

Fri, 15 Jun 2007 06:21:06 GMT
Thursday, June 14, 2007

テつサ 20 Leitores de RSS para Windows Ganha dinheiro online com MUIOMUIO.NET: Internet, Tecnologia e dicas sobre Blogging por Mario Andrade
I think this is a Portuguese version of the list.
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ThomasDesfossez テつサ Dossier complet sur les outils RSS.
Thomas translated Mashable's great RSS list.
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RSS data feeds - RSS is not just for blogs
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Thu, 14 Jun 2007 21:53:01 GMT
Invalid RSS

Of late, I've noticed an up-tic in the amount of invalid RSS being pumped into the Web.  In many cases, the invalid RSS is being produced by software engineers that should know better. It's not hard to add a simple SOAP call to your regression tests. Or simply visit the W3C Feed Validator Service during your testing cycle.

http://validator.w3.org/feed/

Who's the culprit of this blog entry. How about reddit and simpy? The simpy feed is simply horrible.

Thu, 14 Jun 2007 02:30:45 GMT
Wednesday, June 13, 2007

My Yahoo! Blog テつサ 2007 テつサ June
The official MyYahoo Blog. Subbed!
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Library clips :: Facebook and walled gardens :: June :: 2007
Facebook doesn't do RSS? Get with the program.
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Posted with Rmail R|mail.
Wed, 13 Jun 2007 04:06:43 GMT
Tuesday, June 12, 2007

Official Google Blog: Feeds on a plane!
Google Reader now works offline. It'll download your latest 2000 items for offline reading.
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Home - omg.yahoo.com
Sounds like Technorati's WTF?
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The Ultimate RSS Toolbox - 120+ RSS Resources
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Posted with Rmail R|mail.
Tue, 12 Jun 2007 20:24:40 GMT
Monday, June 11, 2007

"Nude Japanese Nurses snuck into Terry's RSS feed?" from The Intuitive Life Business Blog
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Posted with Rmail R|mail.
Mon, 11 Jun 2007 16:16:57 GMT
Reporting This & That

This blog entry discusses how best you can test your RSS software for proper encoding/decoding and report the results to me. I'm separating this document into two parts; publishers and readers. The section on publishers will target blogging systems; Wordpress, Blogger, etc. The section on readers will target RSS readers; My Yahoo!, iGoogle, etc.

Publishers

Testing an RSS publishing system involves the following steps.

  1. Create a first blog entry. Attempt to put the title "This & That" (no quotes) and the body "This & That" (no quotes). 
  2. Create a second blog entry. Attempt to put the title "This &amp; That" (no quotes) and the body "This &amp; That" (no quotes).
  3. Compile the following information
    1. URL of blog
    2. Name of blogging software
    3. Version of blogging software
    4. Title and body that appear in both blogging entries
    5. RSS feed
    6. Your name and address (web or email)
    7. Notes of any other related problems.
  4. You can email me (randy@kbcafe.com) the result or paste them in the comments below.

Readers

Testing an RSS reader involves the following steps.

  1. Subscribe to test case #1 [https://rssweblog.com/thisandthat.1.xml].
  2. Subscribe to test case #2 [https://rssweblog.com/thisandthat.2.xml ].
  3. Compile the following information
    1. Name of the RSS software
    2. Version of the RSS software
    3. Title of both feeds, title and body of both items as they appear in your RSS reader
    4. Your name and address (web or email)
    5. Notes of any related problems.
  4. You can email me (randy@kbcafe.com) the result or paste them in the comments below.

All entries will be entered into a draw ($20 at Amazon). The person who submits the most entries also wins ($30 at Amazon). Points are awarded as follows; 1 for entries with no bugs, 2 for entries with bugs, 1 for corrections and bonus points for amount of detail.

Sun, 10 Jun 2007 15:18:12 GMT
This & That Contest

The most confusing part of RSS is understanding how to encode textual elements other than the item/description. You see, item/description is special. It's encoded as HTML, which means you double escape certain characters. The problem is all the other textual elements which by definition should not be HTML encoded, but rather they should be plain text. Encoding plain text doesn't sound like much of a problem, but when it comes to RSS, everything is really simple, but encoding plain text is really difficult. Why? Because many RSS publishers have encoded these other elements as HTML. This, in turn, resulted in many RSS parsers double-decoding these elements.  

The Many Ways of Encoding

The entire problem can be described with a few simple examples of how you might encode and decode an ampersand symbol.

Text to Encode Single Encoded Double Encoded
This & That This &amp; That This &amp;amp; That
This &amp; That This &amp;amp; That This &amp;amp;amp; That

Encoding is the easy part. There are only really two cases to consider when encoding. In decoding, we have to address all three cases produced by the encodings.

Text to Decode Single Decoded Double Decoded
This &amp; That This & That error
This &amp;amp; That This &amp; That This & That
This &amp;amp;amp; That This &amp;amp; That This &amp; That

Entity and Numeric Encoding

There are actually more than 2 ways to encode. Beyond single and double encode, you can also use entity and decimal and hexdecimal numeric encoding.

Text Entity Encoding Decimal Numeric Encoding Hexdecimal Numeric Encoding
This & That This &amp; That This &#38; That This &#x26; That
 

Using combinations of each, you can actually encode the same string 12 different ways. The current dispute (problem) has nothing to do with entity or numeric encoding, so I'll use entity encoding for the remainder of this document and I'll never mention numeric encodings again, to save you a bit of confusion.

The Right Way

As I described above, the item/description element is double encoded and everything else is single encode. Following are example RSS feeds with properly encoding for title and description elements.

Test Case Text to Encode RSS
Test Case #1 This & That

<rss version="2.0">
<channel> 
  <title>This &amp; That</title>
  <description>This &amp; That</description> 
  <link>https://rssweblog.com/</link> 
  <item> 
    <title>This &amp; That</title>
    <description>This &amp;amp; That</description> 
    <link>https://rssweblog.com/</link> 
  </item>
</channel>
</rss> 

Test Case #2 This &amp; That

<rss version="2.0">
<channel> 
  <title>This &amp;amp; That</title>
  <description>This &amp;amp; That</description> 
  <link>https://rssweblog.com/</link> 
  <item> 
    <title>This &amp;amp; That</title>
    <description>This &amp;amp;amp; That</description> 
    <link>https://rssweblog.com/</link> 
  </item>
</channel>
</rss> 

 

You can download copies of thisandthat.1.xml and thisandthat.2.xml. You can also subscribe to them using your RSS reader and tell me the results. I tested them in IE7 and both worked as per the RSS spec.

The Wrong Way

This is all nice, but we don't live a perfect world and as noted, some developers are double encoding their titles. Here's some example of feeds that a not properly encoded.

Test Case Text to Encode RSS
Test Case #3 This & That

<rss version="2.0">
<channel>

  <title>This &amp;amp; That</title>
  <description>This &amp;amp; That</description> 
  <link>https://rssweblog.com/</link> 
  <item> 
    <title>This &amp;amp; That</title>
    <description>This &amp;amp; That</description> 
    <link>https://rssweblog.com/</link> 
  </item>
</channel>
</rss> 

Test Case #4 This &amp; That

<rss version="2.0">
<channel> 
  <title>This &amp;amp;amp; That</title>
  <description>This &amp;amp;amp; That</description> 
  <link>https://rssweblog.com/</link> 
  <item> 
    <title>This &amp;amp;amp; That</title>
    <description>This &amp;amp;amp; That</description> 
    <link>https://rssweblog.com/</link> 
  </item>
</channel>
</rss> 

You can download copies of thisandthat.3.xml and thisandthat.4.xml. You can also subscribe to them using your RSS reader and tell me the results. I tested them in IE7 and both fail as expected.

The Compromise

Some have decided that since some people are doing the right-thing and some people are doing the wrong-thing, that they could try to predict which and present the end-user with a best guess. The strategy here is to double decode every textual element and if that results in an error condition, then single decode it. This strategy will actually compensate for some feeds that improperly encode. In fact, both test case #3 and #4 will actually work using this compromise. The problem? Test #2 will actually fail using this compromise.

The Contest

In the next few days, I want to make a push to correct vendor bugs in this area. Their are two tests. I'm going to ask my readers to publish two blog entries (case #1 and #2 above), point  to the entries and tell me what the RSS items fragment looks like. I'm also going to ask my readers to subscribe to case #1 and #2 above and tell me which RSS reader you use and how they look in your reader.  For every test case that succeed, the reader earns 1 point. For every test case that fails, the reader earns 2 points. Don't worry about duplicate entries, they count, as long as you actually did the work. Whomever gets the most points wins ($30 of whatever they want from Amazon). I'm also gonna do a random draw of all the participants for another prize ($20 of whatever they want from Amazon).

The Goal

Once the results start coming, I'll publish them and file bug reports with the vendors. The goal, for me, is to improve the encoding for RSS.

Corrections

I may have typos or mistakes above. If you point them out, I'll award you another bonus point.

Update: As James and Chip noted in comments, the links to test case #3 and #4 were wrong. James points out that I missed CDATA encoding in my enumeration of encoding methods (that was a glaring oops). Two points for James and 1 to Chip for typo corrections.

Sun, 10 Jun 2007 00:19:12 GMT
Saturday, June 09, 2007

Now Earn Referral Fees With the UnSpun Widget
Amazon widgets that monetize
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Posted with Rmail R|mail.
Sat, 09 Jun 2007 16:58:43 GMT
This & That

This is a test of the this & that protocol.

Conclusion: I was testing my own software to see if I properly encoded the ampersand character in the title and description. I'm gonna run a contest, where users report which publishers and aggregators are respecting the encoding. I'm thinking that whomever provides the most correct data points wins ($30 at Amazon) and then have a draw with all remaining participants for a second prize ($20 at Amazon).  I'm starting by offering the $50 in Amazon merchandise. If anybody else wants to sponsor with additional prizes, then please ping me. Don't submit entries yet. I'll announce the contest ASAP and you can submit entries then.

Sat, 09 Jun 2007 07:14:24 GMT
Friday, June 08, 2007

Whatテ「ツツ冱 in your RSS feed - The Title
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Whatテ「ツツ冱 in your RSS feed - The Link
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Whatテ「ツツ冱 in your RSS feed - The Description
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Whatテ「ツツ冱 in your RSS feed - Optional Channel Elements
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Amazon Web Services Blog: RSS Web Feeds for Tags at Amazon.com
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Posted with Rmail R|mail.
Fri, 08 Jun 2007 00:23:50 GMT
Thursday, June 07, 2007

Feedburner Users Have Eight Days To Hide From Google テつサ InsideGoogle
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RSS Mashups テ「ツツ Emerging Tools with Great Potential
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Posted with Rmail R|mail.
Thu, 07 Jun 2007 14:52:06 GMT
Voting History

The voting history of the RSS Advisory Board members. The only requirement of membership on the board is to vote. Last time I published this spreadsheet, somebody resigned from the board. Compiled by hand. Sorry for any errors.

6/6/2007 12/14/2006 11/27/2006 8/12/2006 5/24/2006 4/17/2006 3/202006 2/21/2006

Rogers Cadenhead v v v v v v v v

Randy Charles Morin v v v v v v v v

Eric Lunt v v v v v v v v

Matthew Bookspan v v v v v x x x

James Holderness v v v x x x x x

Christopher Finke v x x x x x x x

Paul Querna v v x x x x x

Jenny Levine v v v v v v

Meg Hourihan v v v v v

Jason Shellen v v x x x

Jason Douglas v v v x x x x

Jake Savin v v v x x x

Greg Smith v v v x x

Loテδッc Le Meur v v

v = voted, x = wasn't a member at the time

Wed, 06 Jun 2007 17:40:36 GMT
RSS 2.0 Specification (Version 2.0.9) Published
The proposal to revise the RSS specification has passed 5-1 with RSS Advisory Board members Matthew Bookspan, Rogers Cadenhead, Christopher Finke, Randy Charles Morin and Paul Querna voting in favor, Eric Lunt voting against and members James...
Link - Comments - Wed, 06 Jun 2007 11:19:03 GMT - Feed (14 subs)
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Wed, 06 Jun 2007 14:09:59 GMT
Apache Log Analyzer 2 Feed

Simone Carletti has once again produced an amazing RSS-related tool. Apache Log Analyzer 2 Feed will produce an RSS feed based on events in your Apache log. You could subscribe via RSS to be notified when GoogleBot visits your website, when a user surfs your site and much more.

http://www.simonecarletti.com/code/apachelog2feed/

Wed, 06 Jun 2007 10:53:03 GMT
Tuesday, June 05, 2007

Watch for falling blogs -- Chipテ「ツツ冱 Quips
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Microsoft RSS Blog : RSS 2.0 Best Practices Profile draft released
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Googleland
Philipp created an awesome map of the Google empire. Looks like Australia.
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Buying a Dot-Com Domain for the RSS Board | Workbench
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TechJuicer テつサ RMail - RSS Feeds To Your Inbox
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Posted with Rmail R|mail.
Wed, 06 Jun 2007 04:02:00 GMT
Languages of RSS

Today, the topic of language surfaced on the rss-public mailing list. Rogers noted that the <language> element was used in 51% of the feeds he checked. Nothing interesting there. He also noted the <dc:language> element was used in 36% of the feeds. That was really weird. Rogers wondered if it was worth covering <dc:language> in the RSS profile. With so many people using <dc:language>, it surely does belong in the RSS profile, but I would be inclined to advise publishers that the element is redundant and should be avoided where <language> is sufficient. Ralph Giles added that <dc:language> can appear as a child of both the <item> and <channel> elements, whereas <language> can only appears as a child of <channel>. That's a great use case of <dc:language>.  There's also a third perfectly valid and rarely implemented way of denoting language in RSS; the xml:lang attribute.

Language Codes

There's some confusion as to what are the acceptable values of <language>. The primary source is the list of language codes in the spec's appendix. But any language code that can appear in HTML, can also appear in RSS. This includes both ISO639 language codes and ISO3166 language codes.

Tue, 05 Jun 2007 22:58:11 GMT
RSS Channel Element Usage Stats
As part of the research for the RSS Profile, I compiled statistics on how frequently RSS core elements and namespace elements appear in feeds.The full report reveals that the most popular namespace element is dc:language from the Dublin Core...
Link - Comments - Tue, 05 Jun 2007 12:40:02 GMT - Feed (11 subs)
Posted with Rmail R|mail.
Tue, 05 Jun 2007 22:58:08 GMT
RSS Item Element Usage Stats
In RSS Profile research, I analyzed how frequently RSS core elements and namespace elements appear in feeds.Here's the compiled stats for item elements. Part one covered channel element usage.The full report reveals that the most popular...
Link - Comments - Tue, 05 Jun 2007 13:08:22 GMT - Feed (11 subs)
Posted with Rmail R|mail.
Tue, 05 Jun 2007 22:58:06 GMT
RSS Profile Updated with TTL Tests
The newest draft of the RSS Profile includes tests conducted by James Holderness to determine how well the TTL element is supported in RSS.
Link - Comments - Tue, 05 Jun 2007 15:02:20 GMT - Feed (11 subs)
Posted with Rmail R|mail.
Tue, 05 Jun 2007 16:03:38 GMT
Webware 100

You can vote for your favorite Web applications in the Webware 100. 250 web apps were nominated in 10 categories, only 100 will survive. My picks follow.

Do you think I like Google?

http://www.webware.com/html/ww/100.html

Tue, 05 Jun 2007 04:32:19 GMT
Monday, June 04, 2007

How Google's Acquisition of FeedBurner Will Change RSS Marketing
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Orkut now a Feed Reader; RSS Acceptance Will Grow at Digital Inspiration Technology Guide
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ZapTXT Blog テつサ Mahalo: RSS please
Mahalo doesn't have an RSS feed?
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Googleテ「ツツ冱 Feedburner Lets You Opt-out | TechLifeBlogged
Scott points us to instructions on opting out of GoogleBurner.
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Scoble Thinks Winer Invented Offline Support テつォ Kevin Burtonテ「ツツ冱 NEW FeedBlog
Kevin Burton says he invented Google Gears, not Dave Winer ;-)
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6 Reasons Google Did Not Need To Acquire Feedburner
A funny take on GoogleBurne.
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FeedBurner Is Acquired by Google | Union Square Ventures: A New York Venture Capital Fund Focused on Early Stage & Startup Investing
Free Wilson, another FeedBurner investor, on GoogleBurner.
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Google Says: All Your Feeds Belong To Us!
Another great blog title. GoogleBurner?
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テつサ All your blogs are belong to Google - Marciahoo
The best blog post title about the acquisition.
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Ward-o-blog: FeedBurner Knows How to Party
Justin Ward on the FeedBurner party.
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Ward-o-blog: Google Acquires FeedBurner, Me
Justin Ward of the FeedBurner team on the acquisition.
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Joining Google, Continuing FeedBurnerテつbyテつtins ::: Rick Klauテ「ツツ冱 weblog
Rick Klau, of the FeedBurner team, on the acquisition.
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feedburner users - give your data to google, or LOSE your account - Spyware Sucks
More Google fearmongering.
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Feld Thoughts - Google Acquires FeedBurner
Brad Feld, a FeedBurner investor, on the acquisition.
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Your FeedBurner RSS Data rights will be owned by Google (Geek News Central)
More Google fearmongering.
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Posted with Rmail R|mail.
Mon, 04 Jun 2007 02:26:39 GMT
Google Buys FeedBurner

Google confirmed that it is acquiring Feedburner. Who could've predicted that?

http://www.cnbc.com/id/18985382

Update: Here's the PR from FeedBurner.

http://blogs.feedburner.com/feedburner/archives/2007/06/feedburner_google.php

Sat, 02 Jun 2007 05:44:12 GMT
Friday, June 01, 2007

Last.fm Sale Fallout: User Response
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Posted with Rmail R|mail.
Fri, 01 Jun 2007 14:33:16 GMT
James on TTL

James Holderness compiled a great article on the use of TTL by RSS clients. His main point was "We [cut] do not know of any [RSS clients] that treat [TTL] as a minimum refresh frequency."

http://tech.groups.yahoo.com/group/rss-public/message/1453

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