Social media is maturing as platforms demonstrate their strengths and consumers differentiate them. While gimmicks can build audiences, true game changers transform organizations by creating new markets and setting trends. Game changers include using social media to solve customer problems at a lower cost than traditional call centers. However, social media also presents organizational and cultural challenges as it amplifies expectations of instant response and exposes weaknesses in disconnected institutions. To thrive, organizations need looser, more open, agile, informal, collaborative cultures that trust employees, rather than hierarchical, bureaucratic cultures that restrict social media use.