USB wasn't industry standard when Apple adopted it, and Apple's adopting it (and going "all in") created a large enough market for USB peripherals that USB took

USB wasn't industry standard when Apple adopted it, and Apple's adopting it (and going "all in") created a large enough market for USB peripherals that USB took off (it may well have taken off anyway, we'll never know). For a couple of years, most USB products were made of iMac-inspired translucent plastics because it was people with iMacs who bought them.