Which groundbreaking product design principle did industrial designer Dieter Rams introduce in the 1960s that revolutionized Braun's product aesthetic and later heavily influenced Apple's design philosophy?

Product design history is filled with breakthroughs that changed how we interact with everyday objects. Some innovations were so revolutionary that they transformed entire industries and consumer behavior. This trivia question explores a pivotal moment in product design history that influenced countless future designs and established principles still used today. Test your knowledge about this significant design milestone that merged functionality with aesthetics.

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Less is more: The principle that good design is as little design as possible
Form follows function: The principle that a product's shape should primarily relate to its intended purpose
Planned obsolescence: The principle of designing products with artificially limited useful life
Emotional design: The principle that products should evoke positive emotional responses