As well as 10-second topical TV ads, throughout England's (pretty dismal) 2010 World Cup campaign, we also posted topical messages on Kit Kat's Facebook Page. Ensuring that we were bang up to date with events in South Africa.

The Voice Activated Vending Machine.
By singing or chanting for 20.12seconds, the vending machine drops a free Kit Kat.

Interactive Banner. By singing or chanting into your computer microphone for 20.12 seconds, the Kit Kat unwraps to reveal if you are a winner.