If you were alive in the chances are you had a mood ring or saw one. Mood rings are rings with a stone that changes color, supposedly in response to your emotions. Here's a look at how mood rings work and whether they really can tell how you.
This was called a vent window, sometimes a wing. Its purpose was to deflect the wind when you had the window down. Perhaps to influence more car buyers to select the A/C option, auto makers phased out the vent window in