PCWorld: Happy (almost) 2011! 2010 has been a fun year in tech, especially when it comes to future tech. This year we saw a number of exciting, useful, and in some cases, downright weird new technologies emerge. We haven't quite reached Back to the Future Part II's vision of the 21st Century, but, well, we're getting there. Without further ado, here's our list of the top eight future-tech developments of 2010, in no particular order.