You may not remember 2014 as a particularly revolutionary year, but in the digital world, it was. At the annual Consumer Electronics Show that year, the smartwatch made its breakthrough, to the extent that there was a special Wrist Revolution section showcasing watches with the power and capacity of smartphones. A year later, Apple released the Apple Watch, which quickly became the market leader.

Since then so-called wearable technology for the wrist, including watches and fitness bands, has, well, grabbed Americans by the wrist. According to a 2016 essay in PLOS Medicine, 1 in 6 U.S. consumers used wearable technology, and it predicted that 110 million fitness devices were likely to be sold in 2018.

Read more at US News.