The ubiquity of smartphones and tablets and a certain level of self-absorption have led to a number of apps and programs that track sleep, diet, heart rate, baby weight, twitter use, mood, sweat, caffeine, memories and bowel movements. Welcome to the age of the quantified self, but with a thousand ways to keep tabs on your own life, how then, do you keep track of all the trackers?
Sarah Kessler is associate editor for Fast Company. She wrote about how developers creating tracking apps that track other tracking apps.