Where Are You All? is an application tosharethe location with your friends when you are going to agathering orevent.

By using the application, users can easily update theircurrentlocation as well as learning the location of theirfriends.

Unlike other location sharing app, no needs to registeranyaccounts or access your social network profile. Share yourlocationwith an event key only. That would be a lot easier forsharinglocation information with friends of friend.
The location sharing is in the event only, after the eventpassed,their geo information will then
be earsed to reduce privacy leakage.

Besides, all geo information collected will be erased oncetheevent is over or deleted by the users.