TripAdvisor’s owl eyes see a lot. Travelers have been using the site, known for its googly-eyed owl mascot, to research trips and hotels since its 2000 founding. Now, the Needham, Massachusetts-based company is planning to use the depth of information it has learned about its consumers to attract advertisers beyond travel and hospitality marketers. To that end, TripAdvisor is staffing up its advertising revenue team.