If you don't feel like reading the paper Sebastian wrote on the Common Crawl data, he gives a summary of his findings in this video.<p>Link to full paper: <a href="http://bit.ly/14dxSJq" rel="nofollow">http://bit.ly/14dxSJq</a>
It is great that they cover a lot of languages.. Except they don't cover the one I use a lot which is Chinese....I had to buy Swype so that I can switch easily from English to Chinese.