A household robot can learn how to do almost any chore in about 20 minutes when taught by a human using an iPhone camera and a grabber.

Mahi Shafiullah at New York University and his colleagues created a way to teach robots that involves using the grabber equipped with an iPhone to train the operation.

https://www.newscientist.com/article/2408273-housework-robot-can-learn-to-do-almost-any-chore-in-20-minutes