They're literally selling advertising space, though.

And you run the site, without disclosing that.

https://building.bookdna.com/author-membership/

Ya just like NYT or The Atlantic or any of the sites, we have to pay for the servers, the book database licensing, etc. :)

I don't understand; every page says the site is owned by my partner and me. We are building something really cool :)

You realize that every website is owned by someone trying to build something cool right?

Disclaiming its your site matters not on the site, but when you post on HN. Disclosing your bias is good manners here. And using HN for promotion is bad manners, your submissions are almost nothing but your own site, once per week.

I've talked to Dang many times about these posts, and never been an issue :)