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A comment on Ask HN: Good Hackathon Prizes. Parent comment

Re:Ask HN: Good Hackathon Prizes by stewie2 on Friday July 27, 2012 @07:46PM (#4304086)
wow, interesting. how hackable are they?
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Re:Ask HN: Good Hackathon Prizes by joshu on Saturday July 28, 2012 @10:24PM (#4307288)
They are pretty simplistic. Haven't tried to understand them.

One problem is that they are infrared and not radio.

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