Pressing a button is so 20th century. And winking or asking Google Glass to do it for you seems like quite a lot of effort, too. So, for the truly lazy, Neurocam analyzes your brainwaves to work out when you want a picture taking.
Figure skating? Please. The main attraction for many visitors to the Winter Olympics will be an installation letting them control the lights at Niagara Falls with their minds. That's right: we're all telekinetics now.
You know what I think the worst thing about having a robot army is? You have to press buttons. It's much more satisfying to get every automaton to do your bidding by just thinking it.