The first webcam was invented to watch a coffee pot.
Why it is true
Scientists at Cambridge University created the system in 1991 so they could see if the breakroom coffee pot was full without having to get up.
Source: Cambridge University
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.