I should tell you to just google it, but you're also right. Lots of stuff that ends up on HN is actually really opaque about what the hell it actually is. See a

I should tell you to just google it, but you're also right. Lots of stuff that ends up on HN is actually really opaque about what the hell it actually is. See also, this item currently near the top: https://news.ycombinator.com/item?id=7669449 https://news.ycombinator.com/item?id=7669449