The Mobile App Driving Venezuela's Anti-Government Protests

Zello is a walkie-talkie app made by a small company based in Austin, Texas—but if you've heard of it, it's probably because you've been following the news in Venezuela or Ukraine. Some of its biggest users are protesters taking to the streets. The app's creators hadn't planned on getting involved in political… » 2/25/14 12:20pm 2/25/14 12:20pm