The effective integration of multiple communication techniques is becoming increasingly complex, with the ongoing development of new media. The development of Web 2.0 and the growth of social media provides marketers with additional, possibly even alternative, marketing communication channels. This research explores the integration of social media, specifically Facebook, and the marketing decision making considerations from the context of the integrated marketing communications (IMC) construct.The study surveyed three consumer facing businesses to understand how marketers make decisions, determine if social media leads to more effective marketing and to understand if and how effectiveness is measured. A qualitative multiple case study method was selected which included interviews, direct observation and document reviews.The findings provide insights into marketing decisions relative to the integration of social media. This is complimented by a view of how effectiveness of social media can be measured in the marketing communications sphere. The issue of ROI remains a challenge and only one case successfully deploys this metric. In conclusion, the increasing complex business and marketing environment does not have a simple solution; therefore the Complex Marketing Communications Deployment (CMCD) model is proposed as a framework for reviewing the entire marketing communication system and to integrate new media.