– How do authorities check if you’re watching TV without a licence in the UK?
In: Technology
Seems thus far they have been rather secretive about how and if the technology works well. One cool thing they claim to be able to do is they can use light detectors to scan a household. If the household is watching a TV station, the brightness of the lights from the window will change as the TV changes, and this can be mapped to the brightness of the current broadcast, if it matches then one can know that TV is being watched in there.
[There is also an entire Wikipedia page on this topic. Seems thousands are prosecuted for it per year, which is pretty surprising given how hard this is to catch.](https://en.wikipedia.org/wiki/Television_licensing_in_the_United_Kingdom#Licence_fee_enforcement)
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