Flash

"Adobe Flash Player is the high-performance, lightweight, highly expressive client runtime that delivers powerful and consistent user experiences across major operating systems, browsers, mobile phones, and devices." "Installed on over 850 million Internet-connected desktops and mobile devices, Flash® Player enables organizations and individuals to build and deliver great digital experiences to their end users.""Flash Player 9 allows enterprises to deliver secure, expressive, and high-performance applications that run consistently across operating systems and browsers, with full control over the install experience in alignment with IT policies."-http://www.adobe.com/products/flashplayer/