Massive Health, the San Francisco startup that aims to tackle major health care problems with tools such as mobile apps and big data technology, launched its first iPhone app “Eatery” back in November 2011.

For users, the Eatery app is almost deceptively simple: You use it take a photo of what you’re eating, grade it on a scale of “fit to fat,” and give your rating to others’ meals as well. But… → Read More