Some 21 percent of US adults use a wearable device right now, and of those, 36 percent use a Fitbit device, according to a Forrester Research survey of 952 online US adults.
After Fitbit, 16 percent use a Nike+ FuelBand, 16 percent use an Apple Watch, 13 percent use Samsung Galaxy Gear, 11 percent use a Microsoft Band, and 10 percent use a Jawbone device.
Forrester also broke out the age...
