TripAdvisor, Inc. is an online travel company, which owns and operates a portfolio of online travel brands. The company is headquartered in Needham, Massachusetts and currently employs 2,860 full-time employees. The company went IPO on 2011-12-21. The firm leverages its brands, technology, and capabilities to connect its global audience with partners through content, travel guidance, and two-sided marketplaces for experiences, accommodations, restaurants, and other travel categories. The firm operates through three segments: Brand Tripadvisor, Viator, and TheFork. Its Brand Tripadvisor segment is engaged in providing an online global platform for travelers to discover, generate, and share authentic user-generated content (UGC) in the form of ratings and reviews for destinations, points-of-interest (POIs), experiences, accommodations, restaurants, and cruises. The Viator segment offers travelers a comprehensive online marketplace that provides access to over 400,000 experiences and more than 65,000 experience operators. The Fork segment offers an online marketplace that enables diners to discover and book online reservations at approximately 55,000 restaurants in 11 countries.