Think it was related to the initial request for startups post: https://techcrunch.com/2009/08/16/y-combinator-starts-seedin...

I was interested in memes because I had read Daniel Dennitt's Consciousness Explained back in the mid 1990's and was on the internet looking at them because the meme meme had become more mainstream.

Or to put it another way, I found HN through intellectual curiosity as a distraction from my practice collapsing in the sub-prime meltdown...it was long ago in a galaxy far far away.