2. Seat belts for children at restaurants.
(Yes, I'm talking to you, little league baseball team who ate in the same restaurant that we did, and sat the kids at their own table near us while the parents enjoyed a lovely meal at a table of their own, away from said children (and when I say "sat" I mean that each of the kids technically had their own chair, even though they didn't really use it to sit in)
3. Self cleaning bathrooms.