The social 'epidemic' that is signing up to the likes of Facebook and MySpace is most likely to hit young people, analyst firm Point Topic said today.Morethan two thirds (70 per cent) of 18 to 24-year-olds with internetaccess at home said they log on to sites such as MySpace, Bebo orFacebook regularly, while just 6 per cent of over-65s do thesame, Point Topic's latest Consumer Survey shows. More...