** https://github.com/GoogleChrome/webrtc
** WebRTC Resources https://docs.google.com/document/d/1idl_NYQhllFEFqkGQOLv8KBK8M3EVzyvxnKkHl4SuM8/edit
** screen share helyett desktopCapture https://developer.chrome.com/extensions/desktopCapture
=== Connectivity Check ===