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.
Google Chrome Experiments
Hyper Text Markup language or HTML is the most used markup language for displaying web pages and the backbone language for internet itself. HTML5 is the 5th revision of HTML standards. It facilitates playing of audio and video elements in the browser itself, usage of Scalable Vector Graphics, and with the help of JavaScript or CSS3 programmers can even design animations.