Apple Tuesday was granted an intriguing multitouch patent with a wrinkle: no screen display necessary. Instead of glancing down at your iPod during a workout to adjust the volume or skip past an annoying track, you simply touch the screen. The patent, first filed in 2009, opens up a number of potential benefits, including extending battery life.
Rather than your iPod nano's screen displaying controls such as sliders, Apple envisions devices accepting multitouch user input even when a screen itself is blank. Not only would this open the potential for eliminating hardware controls, but the technology may also become part of everyday devices ranging from your iPhone, iWatch or even iGlasses, should Apple decide to compete with Google...