In the last period, 2015, the largest presented point is Wearable Electronic Fitness Device with Sales Amount of 68.1M. The fastest growing participant in our report is Fitbit with 96.33% growth in Sales Amount over 2 years between 2014 to 2015. The topic that suffers from the biggest downturn is Wearable Electronic Fitness Device with 2.99% decline over the same period. This report represents data points consolidated from 2 sources: Gartner and Fitbit