Ping.gy lets you connect with people in the same place or event or neighbourhood as you are, by sharing short messages of length 100 characters.
V2 of Circle
THINK is a social network for anyone who wants to connect to their family, friends, and community in a more meaningful way. Share your posts privately or show the public the stories and events the community and world need to see on the interactive map. THINK's closed Api means your data can't be accessed by advertisers, companies, or individuals.