As Facebook, Twitter, YouTube become increasingly ubiquitous in all facets of our personal and professional lives, there is little doubt that social media is changing the pace of business. This week, Business21C weekly examines the “Like” economy. We talk to Rod McGuinness, social media producer at ABC Radio, Gay Flashman, director at digtital communications firm Formative, and Sandra de Castron from NAB about the ramifications of social media on business.