

There’s different kind of “memories” when talking about metals but this is probably not related to that. What I suspect happened is cold fusion in a very clean environment without oxygen (or very low oxygen) where oxidation doesn’t happen, allowing the very very small fractures to reattach.
This was definitely a fuckup from Slack but as I’ve understood it, the “AI training” means that they’re able to suggest emoji reactions to messages.
Not sure how to think about this, but here’s some additional info from slack: https://slack.engineering/how-we-built-slack-ai-to-be-secure-and-private/
Edit: Just to pick main point from the article:
Slack AI principles to guide us.