MILAN (AP) — Italy's antitrust authority has fined travel planning website TripAdvisor 500,000 euros ($600,000) following complaints of improper business practices lodged by a national hoteliers' association and a consumer protection agency. The antitrust authority said Monday that TripAdvisor had failed to adopt controls to prevent false reviews, while at the same time promoting the site's content as "authentic and genuine.Read more on NewsOK.com