Fitbit, Inc. engages in the development of wearable device which tracks data of an individual's health. The company offers wrist-based and clippable devices, which can track users daily steps, calories burned, distance traveled and active minutes and display a real-time feedback. Its users also measure floors climbed, sleep duration and quality, and its products track heart rate and GPS-based information such as speed, distance, and exercise routes. Fitbit was founded by Eric N. Friedman & James Park in March, 2007 and is headquartered in San Francisco, CA.