Techbro shit
"Rooms can detect when you enter and turn on the lights"
Fucking backyard lights have been doing this since the pissing 80s with a PIR sensor and a tiny little chip.
Techbro shit
@Jo Ah, but these lights will identify your phone and stay dark when someone who isn’t you enters. Which is definitely what everyone wants.
Techbro shit
@ghost_bird I remember when this stuff was shown being done with a pill-size transmitter implanted in the individual's shoulder. 
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Techbro shit
@Jo @ghost_bird love being able to get tracked perfectly everywhere I go, in return for a light that only turns on for me, in my own home
