Is a multimedia container format from Microsoft, which stores video and audio file streams. Distinctive feature is a the lack of information on the coding data. The container defines the structure of the stream so it can, like AVI, contain videos with different codecs, as well as operate during synchronization of streams.
Is a format for flash animation, graphics, audio and video. Its main purpose - to work on the Internet. Images in SWF format scaled to any size without loss of quality and video is small in size and loads quickly.