Web 2.0 is a registered trademark and has been since 2003! CMP Media, the trademark holder, co-produces the Web 2.0 conference. So for you developers out there talking and publishing about Web 2.0 hype, you are infringing on a trademark.
Husband to one wonderful wife, father to five fantastic children, juggler, technophile, freelancer, DIYer, adventurer, volunteer, KO4NFA (2m/70cm), WRMJ225 (GMRS)
Disclosure: I am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for me to earn fees by linking to Amazon.com and affiliated sites.