7. People Who Stand in Front of the Most Useful Thing in the Room 6. People Who Just Want to "Get in Real Quick" 5. People Who Stand Right in Front of Elevator Doors 4. People Who Are in Denial About the Size of Their Backpacks 3. People Who Must Always Stay Parallel to Their Walking Companions 2. People Who Leave Two Seats Between Them at Airports 1. People Who Spontaneously Start Conversations in High-Traffic Areas
