[glhaynes]

I'm not sure if you misread my comment or perhaps just posted this as a reply to the wrong comment, but I completely agree that it's a good HN post and I (personally) don't think it's a problem for it to get posted again every few months.

HN does have a dupe detector and won't let an identical URL be posted a second time. But, as you can see in the above comments on this same page, even very slight differences are sufficient for it to allow the post through.

Anyway, I hope you keep posting items like this! If they're not sufficiently interesting and novel to enough people, they won't be upvoted. No harm.