Google Coordinate API enables mobile work teams to do four simple things that, when done by everyone on the team, can propel productivity: communicate, see everyone's location on a map, pinpoint and assign jobs, and notify and update each other constantly.
Gowalla, Foursquare, Yelp, Facebook Places, the list goes on. There's certainly no shortage of methods to tell people where you are and what you're doing while you're there. Startup Whatser, built on the SoGeo API for location-based apps, has jumped into the ring with a different approach to check-in services: to be useful.
