achrono Karma 317 Created 3 years ago Recent Submissions 1. ▲ Square is now sharing its roadmap publicly (squareup.com) 2 points · 3 months ago · 0 comments 2. ▲ GPT-5 Announcement (openai.com) 2 points · 4 months ago · 1 comment 3. ▲ How my indoor air made me sick and dumb (and how I fixed it) (christian.gen.co) 46 points · 11 months ago · 7 comments All submissions on HN · View profile on HN