The Official Course Gesture

For nearly 30 years(off and on) I have taught a very large section of introductory economics. A few years ago, I realized that often students see me at the mall or the grocery store or Taco Bell, or the beer store or some place, and they would like to say "Hi! I'm one of your students," but they feel a little shy about coming up to speak to me.

So I came up with an official course gesture. They can flash the gesture at me and, a la Lenny Bruce, I smile and say, "Thanks! Same to you!"

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Update: Paul Synnott

linked to this posting (thanks!)

and included this photo: