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In-N-Out Burger
American company
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fast food
- In fast food: History
The California-based chain In-N-Out Burger is generally credited as the first to implement the modern drive-through—which features two-way speakers—in 1948. The fast-food industry expanded rapidly in the latter half of the 20th century. In the early 21st century there were nearly 200,000 fast-food restaurants in the United States…
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