This page has meta tags showcasing the Twitter Player Card with streaming M3U8 content. The streaming video is courtesy of Apple, and you can find more information here: https://developer.apple.com/library/ios/documentation/networkinginternet...
When implemented on your own site, please ensure that all links to video are secure (use https).
Lastly, the behavior of streaming video is currently different across mobile platforms. Specifically:
- On iOS, the stream will play inline in the Twitter Card.
- On Android, the stream will open the twitter:player URL in a browser