According to a study by The Boston Consulting Group, 77% of CMO's aren’t sure where to reach their customers. The study entitled “Marketing Capabilities for the Digital Age,” questioned marketing executives at 31 major corporations in Asia, Europe, Latin America and the U.S., and found that 96% use Facebook and use 83% Twitter. However, 55% said they have only “minimal or informal metrics to measure the impact and return on investment of digital marketing efforts.”