1. For high fives and mutual support
  2. For things that might interest someone in the team
  3. For thoughts of kindness and consideration (but don’t assume they’ve been seen)
  4. For anything that it doesn’t matter that you miss, so you can dip in and out without feeling the need to read the previous 200 unread messages.
  5. For genuinely urgent information (but remember point 4 still stands).