Tony Dennis the Inquirer , Friday 16 May 2008. 13:42:00 Kids replace happy slapping with happy rapping TALK ABOUT STRETCHING a story. How about this one which claimed that London teenagers were using mobile technology to tackle gun and knife crime? Karate-chopping their assailants with their V1615 phones? Um, no. Using them to make an anti-crime Rap video, actually.... ...