Sure, we've seen some wearable mice in the past (some more wearable than others), but this little one from Innovative Developments offers up some fairly diverse applications. The Mycestro's four buttons can be used for basic work functionality -- the wearer can also use gestures to perform these tasks, making an "M" in the air to open an email or a flicking motion to delete files. The mouse can manipulate 3D software as well, moving one's