See the video, and no it is not fake, it is real.
This is not really magic, as long as his device is powerful enough to override what is actually feeding into the screen, he can override the signals and make the screen show his video. Also he need to make sure it is same frequency, otherwise the screen will not receive it.
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2 comments:
So keng meh??
Seems can hack the sign board..
Hmm..no idea how it works though
Rgds,
KnowThyMoney
@Kris, as long as the signal from the device is stronger than the one the screen is supposed receiving la.
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