4:3 is the "Philo Farnsworth" (the guy who invented/patented the Television set) screen aspect ratio. This aspect ratio was copied over by RCA who mass produced televisions after Farnsworth's patent right expired shortly after WWII, and is primarily based on how many lines of data could be packed and transmitted over the airwaves--for FREE. Sent in either ...
I will answer with a joke.
A duke came back from a long trip. On a way to home he ask his steward what happened when he was gone. - Nothing - says steward.
- Really nothing?
- well, the dog died.
- The dog? Why?
- He eaten spoiled meat - Why and where did he found spoiled meat? - From dead horses. - What dead horses? - The one that died after the ...