In our complex world, it's useful (and trendy) to go back to simplicity. Fashion, design or trends tend to favour simple and pure systems that are easy to understand and replicate for everybody.
In a total opposite way, I have always been amazed by Rube Goldberg machines. Rube Goldberg (1883- 1970) was a great cartoonist and inventor, creator of complex mechanism designed to complete a very simple task. Just before Eastern, Cadbury launched a contest to promote one of its bestseller, the Creme Egg. Customers and fans addict are asked to deploy the strangest, weirdest and creative way to break the Egg. One of the best home made video is this :
a must see !
This is the official ad from Cadbury (not as cool as the former one, IMHO...)