At this week's Microsoft promotional bonanza, otherwise known as TechFest 2011, a team of researchers debuted a rather shabby looking capacitive stylus that switches between functions based on your grip -- an interesting addition to a rather stagnant market, sure, but there are still a few kinks to be worked out. The multi-purpose tool enlists capacitive multi-touch and orientation sensors to respond to how you hold the thing, allowing you to perform a number of different tasks with a simple repositioning. A demo video of the stylus at work sho
