When I was a kid I wore longjohn underwear under my hockey gear because the rinks were cold. In the Spring I would cut the legs off of the underwear and turn all of my longjohns into boxer shorts.
This was 40 years ago. I never realized I had a marketing goldmine on my hands! I coulda been a contenda!!
My mom thinks she invented or came up with the idea of dvrs lol. She thinks she came up with other ideas too.
I had an idea of putting a chip on the seatbelts and placing towers or something to tell and charge you that your seatbelts is off on the freeway lol. I guess an electrical engineer would do it.