Overview: Jon Bentley tests a product intended to replace both a laptop and tablet, questioning whether it really can offer the best of both worlds. Ortis Deley and Amy Williams taking on a professional car valet at his own game, hoping their state-of-the-art equipment will secure them victory. In the US, Yue Xu visits CES, the world's biggest technology exhibition, where she goes behind the scenes to reveal the gadgets ready to take 2016 by storm, and the team spends a day in the company of a man carving himself a career out of playing football video games.