Plot: Craig Charles, Jon Bentley, Ortis Deley and Georgie Barrat visit the Consumer Electronics Show in Las Vegas, where rollable television screens and foldable phones are just two of the mindboggling technological advances on offer. Matthew Griffin explains why 11K TV, robotic skin, domestic holograms and cancer-diagnosing apps may well be available in the next few years, while Harry Wallop reveals how to acquire one of the biggest phones of 2019 - the Samsung Galaxy S10 - at the best possible price