How did the Sonar app work?

From what I remember using Sonar and what I've learned building mobile location apps, there's not currently anything on the market I've seen that lets you point your phone at someone and get information about them. read more

Sonar’s essence is in facilitating real life interaction by giving you something to talk about. But the key really is “opting-in,” because it communicates the receptiveness necessary for something like this to work. It’s kind of like wearing a sandwich board that says, “Let’s be friends,” but more techy. And less weird. read more

Sonar is no more, and for more details you can read the post (linked below) made by Brett Martin about why he thinks they failed. Postmortem of a Venture-backed Startup This page may be out of date. read more