Domino's Pizza has grown from a single location in 1960 to over 5,000 stores by the late 1980s. In the 2000s, Domino's changed its pizza recipe and launched online ordering and tracking. In 2010, a new CEO launched an advertising campaign to improve Domino's brand image. Currently, Domino's uses social media like Facebook, Twitter, and Instagram for marketing. In 2015, Domino's launched a "tweet-to-eat" campaign allowing orders on Twitter. However, the document recommends Domino's improve by more actively monitoring and responding to negative social media comments to build trust and improve customer satisfaction.