Answer: making hilarious GIFs
At least that's what a contributing editor over at Gizmodo says, and when watching the GIF below, it appears to be true.
A recent TED Talk given by Boston Dynamics Founder Marc Raibert included this outtake of the ATLAS robot trying to offer its assistance in a cafeteria, and things went very wrong. But while humanoid robots are still a work in progress, many other robots in progress over at Boston Dynamics can do some pretty amazing things. See for yourself: