Steve Caplin casts a frequently-disbelieving eye over some of the exhibits at the Consumer Electronics Show. Among exhibits were a roll-up TV, a treadmill that generates electricity as you run, a cat feeder with facial recognition, a dog dryer, Lamborghini's massage chair, a bluetooth nappy sensor and a car with legs that can climb a five-foot wall! There's also an idea for recycling Christmas trees, a look at Netflix's interactive drama and a recommended compact Bluetooth speaker.
