This week, we inadvertently stumbled across a pretty neat, cross-platform, geo-location mobile app titled echoecho . The premise behind echoecho is simple: instead of using a service like Facebook or foursquare to broadcast where you are, it offers a way of requesting the location of a single friend. The application integrates with your phone’s address book and sends a message to friends asking: “Where are you?” If your echo’ed friend chooses to reply, you are given their location and can then view that location — complete with the distance between the two of you — on a map .

Follow this link:
Mobile app echoecho makes check-ins personal