There are plenty of mobile apps that let you snap a picture and share it with your friends or the world—Zannel, Umundo, Mocospace, Pikki, MobyPicture, Yahoo Go—but one that does an especially good job at just sharing pictures among your friends is Radar. The service is run by Tiny Pictures, a San Francisco startup that has raised $4 million from Mohr Davidow Ventures. Whenever you snap a… → Read More