Smartwatches have existed in some form since the 1970s although the kind of device we think of, which is basically a smartphone on your wrist, first emerged in 2013.
Since then, pretty much every major smartphone manufacturer has developed their own smartwatch, including Apple, Samsung and Sony.
While there has definitely been some progress since 2013, with more powerful features and superb design, many of the initial complaints about the smartwatch remain: short battery life and a lack of any essential purpose.
If you don't use your smartwatch, or if you fancy an upgrade, we've got some good news: it's never been easier to sell a smartwatch than with musicMagpie!