Image above: the Castro is a community in downtown San Francisco;
its center is the Rainbow Crosswalk. Photo by Max Templeton on Unsplash.

Tens of millions of self-tracking apps are installed annually by people eager to monitor themselves—from how many calories they eat to how many hours they sleep to how many steps they take in the course of a day. While these devices and applications help people realize their fitness goals, researchers at the MIT Senseable City Lab, in collaboration with Liberty Mutual, have found another use for the Big Data they produce.

Source: Cities on the Move | CARDIGAN ROW