One of the most prevalent social commerce strategies is the use of a group deal like Groupon or Living Social. Investigate whether group deal sites like these are effective approaches for marketers. What marketing objectives can be accomplished using group deals? Is the approach financially sound? What are the risks? Explain your answer drawing upon a brand's experience using a group deal to enhance your response. If you don’t personally have experience with a group deal you can reference someone else’s experience you may know.