TripAdvisor, the performance-based marketing service targeted specifically at the travel industry, has signed Expedia.com as a customer. Expedia.com is using TripAdvisor's InventoryLink technology to
optimize the online marketing of its product inventories. according to company officials, built to address the well-publicized shortcomings of traditional impressions-based banner advertising,
TripAdvisor's InventoryLink consistently delivers average click-through rates for travel products of more than 10% - a 40X improvement in response rates versus traditional banner advertising.