Kayak (styled as KAYAK) is a metasearch engine owned and operated by Booking Holdings. Kayak's website and mobile apps are currently available in over 18 languages and more than 30 countries, including the United States, the United Kingdom, Canada, India, China, France, Germany, Italy, Spain, Russia, Switzerland, Norway, Sweden, Finland, the Netherlands, Australia, Ireland, Mexico, New Zealand, Belgium, Hong Kong, Taiwan, Korea, Japan, and Singapore. History Kayak was founded in January 2004 by Steve Hafner and Paul M. English. Before Kayak, Steve Hafner, Kayak's current CEO, helped found Orbitz in November 1999 and led its business development, advertising sales, marketing, and product marketing activities. The company was originally named Travel Search Company, Inc. and the name was changed to Kayak Software Corporation in August 2004. The website launched in February 2005. In December 2007, Kayak raised $196 million in a new round of financing from a group of investors including General Catalyst, Sequoia Capital, Accel Partners, and Oak Investment Partners. Using that funding, Kayak acquired SideStep, another online travel agency. On March 5, 2010, Kayak sold certain assets related to TravelPost. In May 2010, Kayak acquired German travel search platform Swoodoo. In January 2011, Kayak shut down SideStep and redirected SideStep traffic to Kayak.com. In March 2011, Kayak began providing results in the U.S. version of Bing from multiple cities, airports and airlines in Bing's travel search section. In April 2011, Kayak acquired all of the outstanding shares of JaBo Vertrieb-und Entwicklung GmbH, or JaBo Software, operator Checkfelix, a travel search engine in Austria. On July 20, 2012, Kayak became a public company via an initial public offering. On its first day of trading, Kayak opened up at $26 per share and closed at $33.18 per share. On May 21, 2013, Booking Holdings, then known as Priceline.com, acquired the company for $2.1 billion. On September 25, 2013, it was announced that Connecticut would assist Kayak with a $2.5 million loan to help facilitate their move to the Harbor Point district of Stamford. In August 2017, the company acquired Mundi. In July 2018, Kayak assumed leadership of Hotels Combined, which was acquired by parent Booking Holdings. In September 2018, the company launched a feature to help travelers determine if their luggage fits in the overhead bin of planes. Awards In 2013, Travel + Leisure named Kayak's app in its list of the Best Apps for Business Travelers as well as its