Streaming Video
What is streaming media? Video and/or audio that plays over the Internet without downloading to the end user's computer. Think of television and radio for your computer. Streaming is different from downloading in that playback starts immediately with just a mouse click for the viewer, and the large file is not saved to the viewer's computer. This provides a higher level of security for original content.

Microsoft's Windows Media Player, Real Networks' RealPlayer and Apple's QuickTime are streaming "formats" designed to play streaming media on your computer.