Smartwatches promise all kinds of quality-of-life improvements − here are 5 things users should keep in mind
That smarts! Photo by Lorena Sopena/Anadolu via Getty ImagesSmartwatches and other wearable devices can feel almost magical. Strap on a Fitbit, Apple Watch or Samsung Gear and you’re suddenly presented with a stream of data generated by – and about – your body: step counts, heart rate, blood oxygen level, calories burned and more.