Tripadvisor, founded in 2002, has grown to become a global leader in travel, garnering 315 million monthly views and over 200 million reviews by 2014. The platform serves over 4.5 million tourism businesses across 147,000 destinations, with users relying heavily on its reviews to make more informed travel decisions. Additionally, Tripadvisor utilizes big data for personalized marketing strategies, enhancing advertiser targeting and improving return on investment.