When it comes to live streaming, the viewer contributions are pretty light. In Periscope, you can drop a comment of leave a floating heart icon, but there isn’t a deep way to contribute to a stream.

Twitter has finally launched its live video-streaming app, Periscope, for Android. Today’s launch comes a little more than two months after Twitter’s acquisition of the fledgling company behind the ...

Twitter has finally launched its live video-streaming app, Periscope, for Android. Today's launch comes a little more than two months after Twitter's acquisition of the fledgling company behind the ...