Each movie and TV show delivered through Media Hub is optimized for the best entertainment experience based on the device's screen size, screen type, video resolution, memory type, processor and sound profile.

ENGADGET: AT&T now offering carrier billing services on Samsung's Media Hub video purchases

They use an MPEG-4 video codec to keep the file size down, but either way you're still going to need a mighty Memory Stick to store all those extra clips you'll be recording.

ENGADGET: Sony's DSC-M1 digital camera