You hear the ca-thunk-ca-thunk-ca-thunk in the grocery store, and realize someone is pouring a giant jar of change into a Coinstar (Nasdaq: CSTR) machine. You wait in line for a Redbox, and wonder just how profitable physical movie rentals can still be. You see a new Seattle's Best coffee kiosk, and wonder if everything is becoming automated. And if it is, should you get a piece of that action?
