Anything that requires you to be right next to the other person.
For example,
  • Bartenders. They've tried long time ago to make a robot making the drinks, but people never really liked it. They want the human connection with the bartender, not just the drink.
  • Psychologists, astrologers, etc. Anything related to talking about the other person's life. It can be based on science or not. It doesn't matter.
  • Etc... You can see the trend