Yeah, but the people running the Webcam probably didn't make notes about the watch / rings / shirt / dress / shoes worn by the people using the coffee maker, nor take down whether they were wearing glasses and if they added milk - and sell this information to the local jewelers, clothes shop, shoe shop, opticians and dairy.
A coffee maker was the subject of the world's first webcam: https://en.wikipedia.org/wiki/Trojan_Room_coffee_pot :^)
Yeah, but the people running the Webcam probably didn't make notes about the watch / rings / shirt / dress / shoes worn by the people using the coffee maker, nor take down whether they were wearing glasses and if they added milk - and sell this information to the local jewelers, clothes shop, shoe shop, opticians and dairy.
Probably.
https://en.wikipedia.org/wiki/Fallacy_of_composition