3D TV coming to Best Buy this week

Set-top box

A set-top box is a device that plugs into a TV to add additional functionality not already built into a TV set. The most common type of set-top box is a cable box, which allows a cable company to offer additional services like on-demand content or digital cable channels. Other set-top boxes offer more functionality, like digital video recording ala TiVo, shifting of TV signals over the internet ala Slingbox, or devices that allow video to be streamed to the TV ala AppleTV.

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