Amazon India on Twitter: "Participate in the Fitbit quiz on the Amazon app today and two lucky winners win a Fitbit Charge 2 and a Fitbit Flex 2! #AppFitnessFest https://t.co/4SLDRsbetb" / Twitter
Efficacy of a computer-tailored web-based physical activity intervention using Fitbits for older adults: a randomised controlled trial protocol | BMJ Open
fitbit quiz results - Swipe File
Fitbit Survey - A Survey for Fitness Tracker Users - LalyMom
Shop Smartwatches, Fitness Trackers, and More | Fitbit