This is what I see when opening the link: https://imgur.com/a/ITXoipP https://imgur.com/a/ITXoipP Come and Design Digital Toilets ... https://imgur.com/a/2rzcg

This is what I see when opening the link: https://imgur.com/a/ITXoipP https://imgur.com/a/ITXoipP Come and Design Digital Toilets ... https://imgur.com/a/2rzcgjG https://imgur.com/a/2rzcgjG The book seems interesting. but the advertisement would have just led me to close the tab if it was not on hackernews.