The instant messaging app imo has crossed the threshold of a half-billion Play Store installs, and there's a pretty good chance you've never heard of it. But with the rise of challengers like WhatsApp ...

Multi-platform messaging service Imo.im has raised $13 million in second-round funding and updated its iOS and Android apps with a new feature called “Broadcasts.” Palo Alto, Calif.-based Imo.im ...

A multiplatform messenger app for Android, Imo currently supports AIM/ICQ, Facebook, Google Talk, Jabber, MSN, MySpace, Skype, and Yahoo. Imo lets you sign in to multiple platforms at once. You can ...