Hacker News Reader

If you don't think you pay for Hacker News with your data, try deleting an old comment.

How does that "pay" for anything? Who is that data being sold do? How is it being used to target advertising to me?

try search in HN, algolia is mining the data of HN for sure.

Mining for what?

I bet they couldn't care less and haven't ever touched the data since the implementation.