The 20 best gadgets of 2018

Instead of relying on heat, this innovative device employs the Coanda jet-flow effect (which helps keep planes airborne) to wrap and style hair. It requires relearning how to coax your locks, but you can say goodbye to heat damage and singed foreheads. The first of Sonos's popular multiroom speakers to come loaded with Amazon's voice assistant, Alexa. "The best all-round music-focused smart speaker available in the UK," says the Guardian. This limited-edition version comes in five colours selected by Danish furniture designer Hay.