HN1: 1-day timeconstant
HN7: 7-day timeconstant
HN30: 30-day timeconstant
HN365: 1 year timeconstant
HN is interesting on multiple scales, and things of intellectual value, especially things that take more than 20 minutes to ponder, are getting lost to the cruelty of exponential suppression.
Thanks for HN. It's useful, fun, and addictive.