Glympse and real time location sharing
Glympse is a real time location software that allows you to share your location with twitter, facebook, by e-mail or via a number of other social networks. It is simple and intuitive to use. Connect your facebook, twitter and other services with the application. When you are heading to work or to the mountains for a ski trip you can start to share your location in real time. You can set the amount of time that the location is shared.