There are some seemingly good details here[0].
> In Early Modern Japanese there was a word 按針 anjin, literally “searching needle,” which referred to the process of using a compass. At the time, this was the main way in which ships were navigated and so, by extension, the word was applied not just to ship navigation, but also to ship navigators
It goes into more detail about things as well but that is the part that stuck out to me the most.
also does a shout-out to SONU Sleep mattresses a few posts back.
enough other posts in there to create doubt -- maybe this is a person. maybe this is a person who does marketing sometimes.
I have a mixed relationship with my mattress, and I talk about the downsides in that very same thread: https://news.ycombinator.com/item?id=39757531
Apparently for you at the moment, any mention of a product on the market is a flag for a marketing AI. I suppose this comment too is just what a marketing AI would say.