Wearable devices have long been promising to help us lead better and healthier lives while becoming less dependent on our bulky smartphones. Last year was a particularly important year for the wearable tech market as new products came out and actually delivered on these promises. Most notably, Apple released the Apple Watch. FitBit went public. Go Pro unveiled impressive action cameras you can wear to your adventures. Microsoft and Oculus revealed plans for Hololens and Rift, respectively.