The current Web standard HTML4.01 is ten years old. In this time, the internet has changed a lot with rich multimedia and interactivity. So it is definitely time for change and its outcome is the new web standard HTML5. HTML5 can be considered as an application-oriented web language that comprises numerous new functions to meet the modern web demands. Now you can play video, audio, games, etc without the flash plug-in and all most modern browsers now supports HTML5.
Here is an example for HTML5 application. The free drawing tool Divvr built-on HTML5 lets you create great drawings and you can save them to your PC.
Divvr is available as a web application for Google Chrome or you can directly enter the page at http://divvr.com with any browser that supports HTML5 to draw graphics.