In the last period, 2016 Feb, the largest presented item is Fitness Tracker with Total Amount of 2.5M. The fastest growing participant in our report is Smart Watch with 111.76% growth in Total Amount over 13 months between 2015 Feb to 2016 Feb. The slowest growing topic is Fitness Tracker with 31.58% growth over the same period. This report is based on data published by YouGov