The 7th-generation Chevrolet Corvette, the C7, is revealed to the media on January 13, 2013 in Detroit, Michigan.
The 7th-generation Chevrolet Corvette, the C7, is revealed to the media on January 13, 2013 in Detroit, Michigan. - 
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High speed Internet in cars could soon become a feature as common as satellite radio or CD players. General Motors and AT&T have announced that so-called "LTE" wireless connections will come as an option in many Chevys, Buicks, Cadillacs, and GMC's next year.

Live traffic maps, Internet radio, and streaming movies are just the beginning for car interiors that could soon could be dominated by apps.

Ford and BMW already have something like this, as does Audi. If the GM deal finally produces a critical mass of "internetobiles," what you have is a big opportunity or a big threat for regular FM and AM radio stations that also cherish the in-car audience.

Molly Wood, executive editor at CNET, joins Marketplace Tech host David Brancaccio from Barcelona's Mobile World Congress meeting to discuss the future of car radio.

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Follow Molly Wood at @mollywood