However you plan on celebrating this New Year's Eve, you'll probably spend at least part of it on the Internet. One tech observer predicts that as we enter 2013, we also enter the era of always being online. On Mondays we like to talk big ideas, but how about when a big idea becomes a breakthrough? Research has now made it possible for humans to control robotic appendages with their brains. The tech behind it aids a special relationship between the brain and the limbs.