Hotels.com provides discount lodging, worldwide. As of June 23, 2003, the company provided services through its Web sites, including www.hotels.com and others; 36,000 affiliated Web sites; and its toll-free call centers (800-2-HOTELS). It provided accommodations to travelers at 8,000 properties in approximately 360 markets in North America, Europe, the Caribbean, and Asia. Hotels.com offers a one-stop shopping source for hotel pricing, amenities, and availability; and also provides travelers with accommodations for sold-out periods. The company contracts with hotels in advance for volume commitments and guaranteed availability of hotel rooms and vacation rentals at wholesale rates, and sells these accommodations to consumers, often at discounts to published rates. In addition, through hotel supply relationships, Hotels.com offers customers, hotel accommodation alternatives for otherwise unavailable dates. As of 05/10/1999, Hotels.com is a subsidiary of IAC/InterActiveCorp.