Today, every company knows they need to be on social media. However, there is still a fundamental challenge to find the appropriate media mix and the real ROI of social media. Rob Harles, the head of social business and collaboration at Accenture, understands those challenges and how to manage them. Accenture is the leading global professional services company, providing clients a broad range of services and solutions in strategy, consulting, digital, technology and operations. This guy knows social media and he joins us to help us better understand the best ways to use social for business.