Something very funny is going on in the world of wearable technology. Fast on the heels of Microsoft’s anti-overeating bra comes Sony’s “SmartWig”–a high-tech toupee that’s equipped with a bevy of sensors meant to perform an odd assortment of tasks. The SmartWig includes an onboard GPS for navigating roads, ultrasound transducers that vibrate in response to oncoming obstacles, even an integrated laser pointer and remote to manipulate PowerPoint presentations. Because one of the biggest wishes of those who have lost or are losing their hair is more impressive PowerPoint presentations, right? Click the link to learn more about what Sony’s new gadget can do, and let us know if you think it’s brilliant or a little over the top (pun intended).