In allthe many mashupsout there,Google Mapsis probably the most used API (version 2 is out now).
One of the latest in the long line of map mixes isGalker Stalker.It takes user-submitted celebrity sightings and displays them on a map of Manhattan.
Has Nick Denton gone too far this time?George Clooney certainly thinks so.Of course, for a site like Gawker, any publicity is good publicity. Jessica and Jesse are justsoexcitedthat George Clooney has noticed their existence.