At one time, not all that long ago, the idea that a robot would be delivering room service was something right out of a story by Robert A. Heinlein. Today, that scenario is entirely possible.

The possibilities are pretty much endless. if robots can carry out tasks like making deliveries from room to room, just think of all the applications that are possible with these R2D2's.

Here's a short clip of one of these robots in action after a woman ordered a snack at a hotel located in the Silicon Valley that actually uses these room-delivery bots. The little guy even has a personality of sorts.