FUN 2.0: 42 samples of of 2.0 satire, parody and dumb jokes in this completely unserious (and dominantly not-so-funny) category

No additions in this update.

Bloglebrity - Compute your blog's influence
Blogstickr - Add fake stickers to your blog
Brands20 - Traditional brands in 2.0 design style
Buzzwordhell - Rate & condemn
Certifyr - Certify 2.0-ishness of your website
Devshots - Create a Google-like logo
Enormicom - Branding 2.0
Extortr - Upload scandalous materials, then blackmail
Fuckweb2 - Tagged manifesto to shut up about Web 2.0
Getafirstlife - Parallel version of Second Life
Getthemlaid - Post your friends' pictures & give them some action
Googlebrins - Create & share your Sergey Brin
Googleromance - Find your soulmates
Howmuchisyourblogworth - Compute your blog's worth
I-know-where-you’ve-been - Reads out your last visited websites (thru Firefox)
Isolatr - Isolate yourself from requests
Justcurious - Q&A at random
Leftoverlunch - Share your leftovers
Listr20 - Lists "all" Flickr-like spelled domain names
Monthlydollar - The world's 1st internet employee
Mothrfuckr - Submit & vote for the worst of Web 2.0
Qwerky - Blog on funny & strange 2.0 domain & brand names
Roundedcornr - Generate & share code for rounded corners
Smllr - Tag your Flickr photos with smells
Sorrygottago - Anti-communication software
Uselessaccount - Impress your friends with your ability to tab through form fields and arrow through saved field values!
Wankr - Collaborative masturbation community
Web20alizr - Generate & promote a 2.0 app automatically
Web20awareness - Check your last visited links to decide how 2.0-aware you are
Web20bingo - Bingo with 2.0 buzz words
Web20bullshitgenerator - Generate 2.0 speak
Web20domainnamegenerator - Find cool 2.0 names
Web20generator - Generate a 2.0 web page
Web20namegenerator - Generates fancy web 2.0 brand names
Web20quiz - Web 2.0 brand or Star Wars character quiz
Web20stylr - Create your web 2.0 logography
Web20validator - Screen your website on 2.0-ishness
Webfalls - Useless link sharing
Webtwopointoh - Create your own 2.0 company
Workfriendly - Make surfing look like working in Word
Yay2dot0logoparody - Traditional brands in 2.0 design style
Youhavebo - Anti-social software

Update 061224, 070119, 070303, 070517, 070829.