Everything is nowadays web 2.0. If your web-site does not look like “web 2.0″, it’s damned, old, past century. Web 2.0 style, web 2.0 graphics, web 2.0 buttons; web 2.0 pants, maybe there are even web 2.0 light energy drinks, web 2.0 this and web 2.0 that, who knows.
This post is web 2.0, just because it is new. Tomorrow, it will be another story, change the tag.
Give me web 2.0 peace with all the web 2.0 things, please.