Previously I wrote about the need for a Web 2.0 list with categories, descriptions, ratings, etc. Well, yet another web 2.0 list makes it way onto the web. But, this Web 2.0 directory is definitely worth noting. It has categorized over 900 web2.0 sites. This is going to be a big help for completing descriptions and categories/tags on the innovation map. It also means there’s a lot not on the map yet.