Created by: Ad Principals Launched: 2000 Advertising in this category has tended towards the worthy, but while consumers know that there's an element of science behind a product's effectiveness, they'd probably rather be inspired by energy than bamboozled with science. This ad manages to inject a little joie de vivre. It is brightly coloured ­ lots of yellow ­ and has a lively soundtrack ­ Let's Twist Again' by Chubby Checker. {{P&P }}