Although wearable technology was a much-discussed category in 2014, this year is set to be a tipping point for such gadgets and devices particularly thanks to the arrival of the Apple Watch. According to CCS Insight, one trend for wearables in 2015 is that they will become more fashionable and in some cases increasingly invisible. For example, labels Guess and Swarovski have launched watches that look somewhat more stylish than previous efforts at smart watches. Nevertheless, devices for activity tracking, fitness and well-being remain important categories, with a growing number of devices also now featuring heart-rate monitors. Report