Groupon's stock recovered significantly in 2013, gaining roughly 135% as the company saw a turnaround in its North American operations. Daily deals still remains the biggest part of its business but the company is now planning to diversify into other streams. As we look back on 2013, we find Groupon rebuilding itself by focusing on mobile commerce, local merchants, and allowing subscribers to search deals rather than pushing email marketing. In this analysis, we'll discuss Groupon's key developments for 2013 that will set the tone for the next year.