25 May 2011
Gowalla is a service to help you keep up with your friends, share the places you go, and discover new places to visit. Gowalla is available on Android, Blackberry, iPhone, and Palm. When you go to a place, you can "check-in" to track that you've been there. Over time, you gain stamps on your Gowalla passport. You can connect your collection of stamps with other friends. You can also share photos and comments. You can also experience trips organized by others such as National Geographic, USA ...