Datacasting. New application for an old idea.

Potential new revenue for TV stations
Wired reports Disney and Microsoft are both bringing back an old technology, albeit for different uses. Datacasting — where analog television and FM signals are used to transmit data — was fashionable in the late 1980s and again during the Internet boom 10 years later, but it has never really taken off as a viable business due to coverage issues. Disney is developing a set-top box designed to let movie enthusiasts avoid trips to the video store. MovieBeam costs $7 a month plus $2.50 to $4 for each movie watched and uses the datastream technology. Meanwhile, Microsoft is developing watches with the weather, news, appointments and other information using FM signals.

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