site seems down, google cache link for the lazy
<a href="https://webcache.googleusercontent.com/search?q=cache:http://www.jeffreytalajic.com/2011/05/09/twitter-doesnt-drive-traffic/" rel="nofollow">https://webcache.googleusercontent.com/search?q=cache:http:/...</a><p>I wonder if URL redirection services are being logged properly here.