'Give me a break' - The history of the Kitkat bar

'Give me a break' - The history of the Kitkat bar

Here's a legal battle to get your teeth into. Nestle has beaten rivals, Cadbury, in a trademark case, all about the shape of the four-finger Kit-Kat bar. The kit-kat's been around for quite a while. CNN's Ayesha Durgahee looks at its history.