TripAdvisor, Inc., an online travel company, engages in the provision of travel guidance products and services worldwide. The company operates through three segments: Brand Tripadvisor, Viator, and TheFork. The Brand Tripadvisor segment offers travel guidance platforms for travelers to discover, generate, and share authentic user-generated content in the form of ratings and reviews and opinions for destinations, points-of-interest, experiences, accommodations, restaurants, and cruises. The Viator segment operates an online marketplace that connects travelers to discover and book tours, activities, and attractions from experience operators. TheFork segment provides an online marketplace, which enables diners to discover and book online reservations at restaurants. The company was founded in 2000 and is headquartered in Needham, Massachusetts. Tripadvisor, Inc. is a subsidiary of Liberty TripAdvisor Holdings, Inc.