Simon Gelfand

First broken by Barry Schwartz (thanks to friendfeed.com updates).

Google trends was long a great place to find keywords trends overtime, they have now opened up for websites also, a great way to compare against your competition.

Here are the trends for two of my websites, they are similar to the trends you would see in compete.com. but they are worldwide. (articlesbase in blue, reader in red)

Very nice competitive analysis, thanks Google!