Adobe Flash Player
Steve Jobs also claimed that a large percentage of the video on the Internet is supported on iOS, since many popular video sharing websites such as YouTube have published video content in an HTML5 compatible format, enabling videos to playback in mobile web browsers even without Flash Player.
Embedding Rich Media
The simple, accessible and forward-biased – video, audio, and canvas elements introduced by HTML5 specification provide a standardized embedding system of rich media. It resolves almost all complicacies of plugin technologies using video, audio and canvas markup elements.