You might be asking what a Personal Media Player is. It's basically an MP3 player, but also includes capabilities for playing back video files. The market for this type of device exploded last year when Apple came out with new versions of their iPod and Nano players. At the time there were other vendors supplying the market with video players, but Apple brought it to the mainstream. I've had experience with 2 models of recent portable media players and will be getting a 3rd. The current information...