1. Strangers on awkward OK Cupid/Tinder first dates.
  2. Retired men talking about what they read in the New York Times this morning.
  3. Middle-schoolers sipping Frappuccinos.
  4. People who are there for the free wifi and outlets.
  5. Med school students buried in their textbooks.
  6. Tourists
  7. Moms after a workout date with another mom.
  8. Babies
  9. SAT tutors waiting for their students.
  10. People who just really have to pee.