Really cool video from Corning. The whole thing is worth watching, but FF to 2' 00" to get to the automotive bit.
I keep trying to come up with a pithy "don't throw stones" quip, but I'm not having any luck. Insert your own glass house quip here: _______
Reminds me of an old joke: A king in Africa wanting to feel important had his surfdom construct a huge throne made of stone. When delivered he enjoyed it for may years but grew tired of it and opted for a more modern version richly uhpolstered. His staff not knowing what to do with the old throne put it in the attic. Well the old throne fell through the floor of the attic and killed the king. The moral of the story is: Ready for this...... Kings who live in Grass Houses shouldn't Stow Thrones.