What You Need to Know About CableCARDs

This wafer-thin card will pave the way for cable consumers to leave set-top boxes behindif they want to. Here's how it works

Something big is happening in the entertainment business—and no, it's not the introduction of Apple's (AAPL) much-hyped iPhone. This one affects the cable industry, and it could mean an array of new choices for millions of subscribers across the country.

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