An application-
1. Sync from your friends foot print from Sina Weibo.
2. Find out all the friends and friends friends who are near you or your friends.
3. Explore the location where you at and find out unknown foot prints.
An application-
1. Sync from your friends foot print from Sina Weibo.
2. Find out all the friends and friends friends who are near you or your friends.
3. Explore the location where you at and find out unknown foot prints.