Must watch: History of the KitKat Bar

Give me a break

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 KitKat bar.

The KitKat's been around for quite a while. CNN's Ayesha Durgahee takes a look at the history of the KitKat candy bar.

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