Did you know: these were some of the first "smartwatches" ever

Pop quiz: what straps to your wrist, tracks your activity, responds to voice commands, displays notifications, and even tells the time? Yup, that would be a smartwatch. Their popularity has been rising steadily over the past couple of years and it is only going to grow further now that Apple has joined the fun. Smartwatches, however, have been around, in one form or another, for longer than you might think.

You see, bright minds have been trying to augment the functionality of the humble wrist watch for decades. The first attempts at adding computational powers to an electronic watch date ...