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A comment on Lightbulbs Could Replace Wi-Fi Hotpsots. Parent comment

Re:Lightbulbs Could Replace Wi-Fi Hotpsots by DougBTX on Sunday October 12, 2008 @04:21AM (#330196)
I wonder how two-way communication would work - flashing your laptop screen?
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Re:Lightbulbs Could Replace Wi-Fi Hotpsots by jacobscott on Sunday October 12, 2008 @07:04AM (#330256)
probably a dedicated peripheral, which you need to capture the light patterns anyway (right?).
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