The drive-through system, developed in the US in the 1940s, has revolutionized business practices worldwide. Drive-through establishments provide service to customers who remain in their vehicles throughout the transactions. Typically, orders are taken over a speaker system and are picked up and paid for at a window. This speedy setup can be found at restaurants, banks, pharmacies, and liquor stores worldwide. What unconventional drive-through service is available in Las Vegas, NV? Discuss
Source: The Free Dictionary