Adobe Flash
The great advantage of flash is the seamless integration of audio and video, interactive user input, as well as the cross-platform compatibility across browsers and operating systems.
field of application
- Rich Internet Applications (RIA)
 - Promotional games- and activities, social games
 - Microsites
 - Video content
 - Animations & banners
 
Despite controversial discussions about the future of of flash, the penetration of the Flash Platform is still very high, because Flash is installed on over one billion desktop PCs *

* source
