Haha, just won- and the algorithm happened to be one that was posted on the front page of HN earlier this week! It just goes to show, there's no reason to get work done when you can be reading articles on HN- it could turn out to be important.

But I have to say, I haven't heard of Quixey before- it looks like they're building a search engine for software. Are they just trying to replace platform-specific app markets, or is it something trickier than that?