The Concept of Web 2.0 is Great for Nichifying business and marketing...

But overall How Many sites can & Do Most people spend time at Daily, weekly...?

Although http://secondlife.com/

Has been one Incedible business model of Success.

Stay on Top of it all... Right?

http://www.econsultant.com/web2/
http://www.go2web20.net/
http://www.web2journal.com/
http://www.techcrunch.com/

Phil