Here are my "five." I'll explain when we get to class...
1.Hyperlocal wiki - A wiki/news site focused on a small area run by a news organization with both user and professional content.
2.Open Letter Facebook app.
3.Facebook news app, which looks like:
4.Community wiki over a Google Map platform IN FACEBOOK
          4a.A Facebook application that incorporates a "news" section into a profile, allowing Facebook users to get news on certain topics or from certain geographies while browsing their profiles.
          4b.A Facebook app that allows users to post information about local bars on their profiles, including the ability to rate drink specials, bartender efficiency, how crowded the bar was, the guy/girl ratio, etc. I feel this is a very, very important issue.
          4c.Lifestyles of the Rich and Elected
          4d.Mad libs for the citizen journalist
          4e.News background site for those hesitant to jump in
          4f.CopWatch
          4g.showing offending businesses.
          4h.Stumble Community
          4i.Category-driven news aggregate
          4j.Survivors Speak
          4k.Facebook rental/apartment guide // Facebook real estate