Social marketing's evolution is fast and furious. Unfortunately, B2C marketers aren't moving at the same speed when it comes to building viable social marketing business cases. These cases require data, but how do you get data if you can't get your initiative funded? Read this report to learn four types of accessible data to increase the viability of your case and pave the way for success. This is an update of a previously published report "Get Approval To Fund Your Social Marketing Initiative." Forrester reviews and updates reports periodically for continued relevance and accuracy; we revised this edition to factor in new examples and data.