Hotels.com

Hotels.com was established in 1991 by David Litman and Robert Diener as the Hotel Reservations Network (HRN), providing hotel booking via a toll-free phone number in the United States. In 2001, the company was acquired by USA Networks Inc (USAI) which also acquired a controlling interest in Expedia, an online travel booking company.

After buying the domain name for approximately US$11 million, HRN changed its name in 2002 to Hotels.com and launched the offline brand 1-800-2-Hotels as well as allowing hotel bookings on line. There followed a period of rapid international expansion with 29 sites added over the next two years. In 2003, USAI was renamed InterActiveCorp (IAC). In 2005 IAC separated its travel business under the name Expedia Inc. Hotels.com then became an operating company of Expedia Inc.

In 2006, Hotels.com experienced a data breach when a laptop containing personal information of approximately 243,000 customers was stolen. The compromised data included names, addresses, and credit card information. There was no evidence of fraudulent activity. In 2007, a class action lawsuit was filed by two wheelchair users for the inability to make a reservation that guaranteed wheelchair accessible rooms arguing that it violates California's Unruh Civil Rights Act. As a part of settlement, Hotels.com agreed to make changes to facilitate booking accessible rooms.

On December 1, 2016, Hotels.com took over Venere.com (another Expedia owned company).

In 2019, it was reported that the Hotels.com mobile app used session-replay technology from Israeli firm Glassbox, which recorded user activity and sent data to Expedia servers without explicit user consent.