Introduced at the Consumer Electronics Show in 2013, Hapifork made the jump from MIT research project to consumer household item in an impressively short amount of time. Perhaps it’s because we all want to lose weight — but we want someone or something else to do the hard work for us. The chunky, $100 fork, which comes in five colors, alerts you with a gentle vibration when you are eating too quickly. It also measures, using the tines of the fork, how long it took to eat your meal, the amount of “fork servings” taken per minute, and the time between servings. All this information is uploaded — more self-monitoring data — for your own enjoyment or horror, depending on how you eat. Rose says this is an impressive start, but within the next five years, he anticipates something more draconian: “Imagine an actual tooth replacement that responds to chewing action and is able to sense texture, temperature and chemical content of food and drink,” Rose writes. “In dire circumstances, i...