You probably haven’t realized it, but many of your Facebook friends are already using Koprol.

Now you can find them, as well as your Gmail and Yahoo! contacts by using our new Find & Invite feature. Try it out!

Also: Sign Up on Mobile

People can now sign up on Koprol’s mobile site. So if you run into a friend, you can ask them to join Koprol right away through their phone by simply going to koprol.com