Show HN: Similarity, a spiritual successor to 2000s-era OkCupid

This is a side project I've been working on on-and-off (mostly off) since the 1990s. I guess you would call it an experimental "dating site" though it's designed to be fun/interesting to people who aren't single (like me).You don't need to sign in to see how it works, so try it out. There is no swiping.The original inspiration was a 90s-era website called moviecritic.com that let you rate movies and get movie suggestions via collaborative filtering. I thought "hey, what about just matching me to the _people_ with the same taste instead?" And why just movies?The closest thing to this was 2000s-era OkCupid, before it was Tinderized. I want to capture its appeal, while making something novel.Similarity is not vibe coded, though I lean pretty heavily on codex (mostly the $20/mo plan - not a lot of tokens burnt here). The stack is java, guice/gwizard, elastic beanstalk, postgres (neon), react, jotai, and few cloudflare doodads. The match engine is a custom in-memory structure; getting the LLM to load test and optimize it was really a wow moment. Everything is PaaS and designed to scale by itself, cheaply, hands-off.I'm working on some ideas to help with the chicken/egg problem but for…