The core principle behind the paid-for Business Listing service on TripAdvisor is that it gives a hotel the chance to officially put itself in front of a huge audience.
At the end of April 2010, almost 12,000 properties around the world had signed up to the service.
One element of a Business Listing (alongside be able to include a telephone number and email address on hotel pages) is a direct link to the hotel’s website.
Read the full story at http://www.tnooz.com/2010/06/10/news/tripadvisor-defends-link-policy-on-business-listings-not-search-engine-friendly/