From TripAdvisors "About" page: The subsidiaries and affiliates of TripAdvisor, Inc. own and operate a portfolio of websites and businesses, including the foll

From TripAdvisors "About" page: The subsidiaries and affiliates of TripAdvisor, Inc. own and operate a portfolio of websites and businesses, including the following travel media brands: www.airfarewatchdog.com, www.bokun.io, www.bookingbuddy.com, www.cruisecritic.com, www.familyvacationcritic.com, www.flipkey.com,www.thefork.com (including www.lafourchette.com, www.eltenedor.com, and www.restorando.com), www.holidaylettings.co.uk, www.holidaywatchdog.com, www.housetrip.com, www.jetsetter.com, www.niumba.com, www.onetime.com, www.oyster.com, www.seatguru.com, www.smartertravel.com, www.tingo.com, www.vacationhomerentals.com and www.viator.com. That's a ton of subsidiary companies and explains a lot IMO.