Sensei's Library has been around since I first started playing Go back in the early 2000s. Not a single thing about it has changed, technology-wise, in that entire time; but the community is still adding content to it daily. I guess it's kind of like HN in that regard, but with twice the longevity.
It's a little corner of the internet I earnestly hope never goes away.
It's a little corner of the internet I earnestly hope never goes away.