This document discusses measuring return on investment (ROI) for social media in the tourism industry. It defines ROI as profit divided by initial investment. It notes there are challenges in measuring ROI for tourism given additional factors like return on involvement, engagement, and activity. It recommends a 9-step process to measure social media investment including defining objectives and tactics, costs, activities, baselines, monitoring, and metrics. Metrics suggested include qualitative measures like brand awareness and reputation as well as quantitative metrics like interactions, transactions, and sales. The document stresses testing and optimizing measurement strategies.