As well as the internet, teenagers in Britain use their computers to play games and do their homework. They also love their mobile phones, and spend hours texing their friends and chatting. Today , phones are getting samller and lighter and you can do a lot more with them than just talk. Text messaging has taken over as the coolest and trendiest way to socilise. More than 90% of 12- to 16 year-olds have a mobile, and exper