OK, OK, I know - it's just that porn always pays.
As you know, Bob, there is a vast amount of free porn on the Internet, and a vast number of aggregator sites for it. With few exceptions, they're horrible trash in terms of usability; the idea is to be as cheap as possible and push as much Javascript down your throat as possible.
Porn for geeks could be different. Similarity metrics, RSS feeds, I dunno - but the main thing is, a usable tool. We all know geeks consume porn. Monetization by sending people to the pay sites is also pretty standard. The question is: how do you stand out? I don't know. But here's a marker, just because.