New widget adds automatic mapping to your content feed. If you write about the real world, it's a clever tool that helps readers see what your content is really about.
EveryBlock is a good place for residents to hang out. Speculators can go to Zillow.
Web 2.0 startup overload: SpotDJ, Kongregate, SoftSearch, Xcellery, FreePledge, Fliptrack, Wrike, YourStreet, Rightround, Chesspark, Prosper, Facebook.