The link is broken - in the HTML it's "/http;/www.quixeychallenge.com/?ref=lesswrong", which has an extra leading /, a missing /, and a ; in place of a :. (At least one of these probably due to auto-transforming of the URL based on a misinterpretation caused by one of the others.)
I wonder if Liron figured that out within one minute.
Hiring is so hard that we spent a man-month creating a sub-startup to do it. The product is the Quixey Challenge which is running today until 7pm PST (GMT-8).
Benefits of playing: