How can you tell which TripAdvisor reviews to trust? | usatoday.com

Consider the numbers being tossed around at a first-ever workshop to help U.S. hoteliers make the most of TripAdvisor.com: A decade after its launch, the world's most popular travel site draws 5 million visitors a day who contribute an average of 21 comments and photos per minute in 19 languages. The site includes more than 40 million reviews and opinions, most of them directed at 450,000 lodgings worldwide, and its travel forums are so popular...