Zappos.com is an American online shoe and clothing retailer based in Las Vegas, Nevada, United States. The company was founded in 1999 by Nick Swinmurn and launched under the domain name Shoesite.com. In July 2009, Amazon acquired Zappos in an all-stock deal worth around $1.2 billion at the time. Amazon purchased all of the outstanding shares and warrants from Zappos for 10 million shares of Amazon's common stock and provided $40 million in cash and restricted stock for Zappos employees.

Las Vegas, often known simply as Vegas, is the most populous city in the U.S. state of Nevada and the county seat of Clark County. The Las Vegas Valley metropolitan area is the largest within the greater Mojave Desert, and second-largest in the Southwestern United States. Las Vegas is an internationally renowned major resort city, known primarily for its gambling, shopping, fine dining, entertainment, and nightlife, with most venues centered on downtown Las Vegas and more to the Las Vegas Strip just outside city limits. The Las Vegas Valley as a whole serves as the leading financial, commercial, and cultural center for Nevada. According to the United States Census Bureau, the city had 641,903 residents in 2020, with a metropolitan population of 2,227,053, making it the 25th-most populous city in the United States.