SideTwitch by Florian Garcia

SideTwitch is an extension that allows you to embed an iframe containing a live twitch channel into your tabs. It can be moved around in your tab (size, position) and follows you as you switch tabs. More at <a rel="nofollow" href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/bbe323233107d4b5e1c53f0033dab668a4ca03eafff9817004a49949bcc560e4/https%3A//github.com/nugetchar/sidetwitch">https://github.com/nugetchar/sidetwitch</a>