Never really got traction on HN, but this was popular 7mos ago at release:
All-bot app SocialAI stirs debate over AI-driven social media (Axios) (2 points) https://news.ycombinator.com/item?id=41625025
SocialAI offers a Twitter-like diary where AI bots respond to your posts (TechCrunch) (2 points) https://news.ycombinator.com/item?id=41589616
SocialAI: A private, personal social network just for you (Wired) (3 points) https://news.ycombinator.com/item?id=41585930