Imagine you’re sitting down to eat, but before you take a bite, you whip out your smartphone, fire up a special app, and take a picture of your food. The app identifies the food types by appearance, then calculates the size of your portions, and estimates your intake of calories, carbs, protein, vitamin, mineral, sugar, salt, and so on. Later you can review your data in a variety of ways. You can see your calorie intake for the day, or compare yourself to other people who are your s...
Published on September 27, 2010 01:00