A new survey at for from in of on over up Britain reveals that young people spend at for from in of on over up 27 hours a week online. This figure has trebled at for from in of on over up the past decade. Britain's communications watchdog Ofcom conducted the study at for from in of on over up thousands at for from in of on over up 16- to 24-year-olds as part at for from in of on over up its Media Use and Attitudes 2015 report. Ofcom found that while most online content is still being accessed at for from in of on over up computers, the proportion at for from in of on over up access via mobile devices is rapidly catching up. Two thirds at for from in of on over up adults now regularly use a smartphone or tablet. Online content has also changed considerably at for from in of on over up the past ten years. Today, people are spending a lot more time at for from in of on over up watching video clips, playing games, using instant messaging and checking social media accounts. An industry expert, Toby Syfret, explained why more people are spending more time online. He said: "New technologies are opening at for from in of on over up a myriad at for from in of on over up other possibilities at for from in of on over up young people. It's not just watching content. They're messaging friends and texting at for from in of on over up the same time. Inevitably, as the younger generation gets older and they set at for from in of on over up their own home, TV viewing consumption will be affected." Over a quarter at for from in of on over up young people now watch TV shows and movies online instead of at for from in of on over up televisions. Mr Syfret added: "A 40-inch television screen offers quality you can't get at for from in of on over up a tablet or smartphone, so televisions are never going to become unimportant."