Open Thread 421
This is the weekly visible open thread. Post about anything you want, ask random questions, whatever. ACX has an unofficial subreddit , Discord , and bulletin board , and in-person meetups around the world .
Metadata
- Published: February 16, 2026
- Source: https://www.astralcodexten.com/p/open-thread-421
- Document ID:
2026-02-16_open-thread-421_full
Category Map
Organizations
- ACX (151 mentions)
- Discord (84 mentions)
- Astralcodexten Com (71 mentions)
- subreddit (55 mentions)
- bulletin board (32 mentions)
Full Primary Source Text
This is the weekly visible open thread. Post about anything you want, ask random questions, whatever. ACX has an unofficial subreddit , Discord , and bulletin board , and in-person meetups around the world . Most content is free, some is subscriber only; you can subscribe here .