One thing I'm always curious about is how you gauge success after a post on HN. While I understand there are variables for every business, I literally have not

One thing I'm always curious about is how you gauge success after a post on HN. While I understand there are variables for every business, I literally have nothing to use as a gauge other than my own experiences. So if you don't mind my asking, how many emails did you guys receive from being posted on HN?