Which language learning product, launched in the 1980s, pioneered the use of 'spaced repetition' technology for vocabulary retention, becoming the first major commercial success in its category?

Test your knowledge of groundbreaking products that revolutionized language learning and linguistics! This trivia question focuses on a significant milestone in language technology that transformed how people learn and interact with foreign languages. Even before AI and smartphone apps became commonplace, certain innovative products created new markets and changed our relationship with language acquisition.

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Rosetta Stone
Pimsleur Language Programs
SuperMemo
Language Laboratory Audio System