995 Days Ago - Show HN: A database for browsing and discovering movies (https://news.ycombinator.com/item?id=8547351)
It was on the homepage for around 24 hours I think. We had ~500,000 unique sessions during the first month after the launch. Hacker News played a big part in that.
We stopped actively working on the project, but it's still being used by more than 100,000 people every month.
I wrote a little case study about the whole thing here - http://codetree.co/case-studies/movieo