Which application is the most Innovative Web 2.0 Application?

Which application is the most Innovative Web 2.0 Application in the following options?


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TravBuddy


Rollyo


TagCloud

Which application is the most Innovative Web 2.0 Application?
Flickr for photos
Reply:BaseCamp


Del.icio.us
Reply:i think there are alot of good ones that came out this year.





photos


http://www.flickr.com





links


http://del.icio.us


http://www.digg.com





music/movies


http://www.last.fm


http://www.myfilmz.net





small business


http://www.merchantcircle.com

cat teeth