We’re in Las Vegas for the Consumer Electronics Show and we’ve visited the stunning Sphere venue – the new landmark on the strip, Samsung has confirmed the launch date for its S24 smartphone range, Microsoft is going to add a new key to its Windows keyboard for the first time in 30 years, we get behind the wheel of the new MG4 XPower, LG announces a new portable projector, Belkin unveils its new wired and wireless chargers and we’ll answer all your questions in the Tech Guide Help Desk.