Warning that the internet may have to be RATIONED because of soaring demand. A capacity crunch is looming, says expert Concerns that the UK faces a capacity crunch amid the boom of internet TV, streaming services and more powerful computers have been raised by expert in optical communications. Professor Andrew Ellis, of Aston University, said existing cables could reach their data capacity within 8 years while power networks come under increasing strain as internet usage eats up more and more energy. According…