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Hopper predicts future prices and help you book flights and hotels at the right time, saving you up to 40%. With 95% accuracy Hopper preditcs prices up to 1 year in advance. In total, Hopper has helped 30 million travelers book trips around the world, saving them more than $1.8 billion to date.

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.

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.

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.