Hey, security researchers. We appreciate what you do. But the world of malware is worrisome enough without yo giving the bad guys even more ideas. A graduate student at Pennsylvania State University has upped the creepy factor by creating a concept app that can steal keylogging information by surreptitiously reading information from a smartphone's various sensors, like the accelerometer. The app is called "Taplogger", and it's just a proof of concept. For the moment.