Daily Crunch: Another Salesforce C-suite exit — Slack CEO Stewart Butterfield will step down in January

To get a roundup of TechCrunch’s biggest and most important stories delivered to your inbox every day at 3 p.m. PDT, subscribe here.
Obviously you love the Daily Crunch, but did you know that we’ve got a whole lineup of truly amazing newsletters from across the site? Sarah’s This Week in Apps is consistently insightful and interesting about what happens on our handheld supercomputers. The Interchange is Mary Ann’s deep dive into the world of fintech startups, and The Station is the summary of everything transportation, lovingly assembled by the incomparable Kirsten. Finally, Greg’s Week in Rev