SEOmoz has put together an amazing little project entitled “Web 2.0 Awards”. They have gone through and picked out the very best in a wide range of Web 2.0 sites and arranged them by category. If you’re an internet buff, a marketing guru or just someone who is interested in the next big thing, do yourself a favor and check it out:

SEOmoz Web 2.0 Awards

Surf around as many of the sites as you can. I’m sure there’s a ton of room to create great marketing ideas using these sites as tools.