[old_tv_nut]

Originally Posted by David Roper

I thought it was 7-Up or Sprite, because, a flashing green bottle is the example I recall hearing about.

You may be right. I haven't found a reference yet. In the case of Pepsi or Coke, I may be thinking of some commercials that used the Pulfrich effect to produce 3D. (One eye with a dark lens, the other with none.)