"Google trends" shows you the real winners

This is a really useful service from google that allows you to add to variables (seperated by comma) and compare their search volume in the google's searches. By clicking enter you can see a graph like that:
The graph shows who is the real winner in the "3rd generation war of the consoles".
The service allows you to compare whatever you want and even select the country and year of search.
Just try anything you want. Who will be the winner between "WWI" and "WWII"? Surprise, surprise (?)...