KAYAK

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TripAdvisor

Expedia is one of the biggest name in the flight and acommodation booking industry today. The platform was one of the first to make travel fare aggregation a thing. Today, you can buy cheap airline tickets, rent cars, book hotels, or wrap everything together in a money-saving package with Expedia.

Booking.com is an online travel agency and booking platform for lodging reservations. The platform provides listings for over 6 million hotels, guest houses and apartment rentals. Booking.com operates from its headquarters in Amsterdam but has a presence globally in over 226+ countries across the world. At Booking.com, travellers can find the perfect accommodation for their next trip.

With Skyscanner you can compare millions of flights, as well as car rental and hotels worldwide, for free. Skyscanner is the travel search site and application that helps savvy travelers to find cheap flights, accommodation and rental cars.

Founded by Dennis Crowley and Naveen Selvadurai in late 2008. Foursquare's location platform is the foundation of several business and consumer products. The company rose to prominence with the launch of its namesake local search-and-discovery mobile app, now known as Foursqare City Guide, in 2009. Today, Foursquare is one of the most trusted, independent location data platform for understanding how people move through the real world.

Yelp is a crowd-sourced local business review and social networking platform. At Yelp, users can submit a review of their products or services using a one to five star rating system. As of Q4 2017 Yelp had 141 million monthly unique visitors and 148 million reviews. Yelp is used by people around the world to located the best restaurant, hotel, and businesses in the area.