What it says. Actually does a few other cool things as well.
Now imagine the Swarm.
Check out the link to the article too. It's awesome: http://spectrum.ieee.org/automaton/robotics/robotics-hardware/origami-robot-folds-itself-up-does-cool-stuff-dissolves-into-nothing
Awww man! I was really hoping this thing was self propelled/powered, I wanted to be able to unleash an army of these guys :( Still, this is super cool. I'm not entirely sure what the potential of it is, but I hope it's something useful!