HTML5 video
Support for HTML5 video has been steadily increasing. In June 2013, Netflix added support for HTML5 video. In January 2015, YouTube switched to using HTML5 video instead of Flash by default. In December 2015, Facebook switched from Flash to HTML5 for all video content.
TV Links
After the video player was introduced, the website's crew enforced a strict policy against saving the provided video content, and viewing it outside the scope of its video player. This policy was further enforced by a technical implementation, the URL that directed the video player to video files contained a randomly generated MD5 encoded string, and was made to expire after several minutes, or after being loaded once.