Robot learns how to tidy up after you

This robot needs to come and live at my house. It learns where every object in a room is meant to be, and if anything is out of place, it will locate and replace it.

via Phys Org

It’s all done using algorithms, apparently, and is terribly clever. But what I want to know is, will it find all the spare change from the back of the sofa? For the full story, the link above holds the keys.