Wait, the company that created the ultimate communication tool enforces a strict *no-work* rule after 6 PM? Behavioural design expert Nir Eyal drops a bombshell on the *real* culture at Slack HQ: using the app on nights or weekends actually gets you *reprimanded*! It’s not just about logging off; it’s about building psychological safety and giving employees a dedicated forum—like their wild Beef Tweets channel—to voice concerns. Witness the blueprint for a massive culture shift that is transform