Is social media marketing effective? ThatÂ’s the question being asked as more and more businesses are investing in increasing amounts of social media marketing. With no standard means of measurement, thereÂ’s a wide variety of goals and metrics used to define the ROI of social strategies. Fortunately, this enlightening infographic, developed by MDG Advertising, helps clear up the confusion by outlining the objectives, benefits and factors that affect the success of social media marketing.