More power to Bluetooth: UK’s Channel 4 is the first advertiser to sign up for a new series of poster sites on the London Underground that let users download content on their phones using Bluetooth technology.
Channel 4 is using the posters to promote FourDocs, its broadband documentary channel…the interactive poster sites will allow commuters to use their mobile phones to download and view one of eight four-minute documentaries filmed and edited by members of the public.
The company is calling them Bluecasts..
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