One of the biggest tech trends out there right now is toward the “quantified self,” the general term used to describe all the gadgets and apps out there for tracking your fitness, movement, calorie intake, etc. The HAPIfork is another (very specific!) example of this trend: it measure how fast you eat, giving you precise measurements of time between bites and how long your meal takes. Sounds crazy right? Check out the video above for a demo, because the HAPIfork is really real.