Well since there's only been colour since the 1950's, it's advanced lots. Before that, all monochrome. Jesus, before the 1920's, no sound! World War One was fought with people running around with "sound cards" like -BOOM-. -KAPOW-. -BLAM-. The Germans had improper translations of English and french- (soldier cards ....je swee sherrie,. Fish n chips lads! Or Canadian fish n chips, eh!)

The English and French had improper German translations (soldier cards....Auch dee strudel. Vissen nine!....rawss rawws Berliner!)

....all in black and white. At the end of the war they had a pianist who played ragtime and such....