From best to worst
  1. Dirty instant messaging with your boyfriend who also woks there
  2. Instant messaging with a buddy during a meeting and dishing hilariously about the other people in the meeting
  3. Discovering a new buddy at work who is fabulous at instant messaging
  4. Warning someone about an email that's coming via instant messaging
  5. Having several instant messaging conversations at once
  6. Sending an instant message to the subject of gossip instead of the person with whom you wanted to gossip
  7. Screen-sharing in a meeting and not closing the corporate instant messaging system first, and a buddy sends a baaaaad instant message that nobody should see