Netflix promotes services through various marketing programs which include digital and TV advertising. The company also provides a free-trial period as a promotional offer to attract new customers. Free-trial membership is offered only to new and certain rejoining members. In addition, Netflix continues to improve its customer experience by expanding its streaming content, improving user interfaces, as well as expanding its streaming service to more Internet-connected devices. These efforts enable the company to drive additional subscriber growth. As of December 31, 2017, the company’s net global streaming membership additions reached 23.8 million as compared to 19 million a year ago. In addition, Netflix’s global streaming memberships reached 117.6 million in FY2017 as compared to 93.8 million in previous fiscal. Subscriber growth leads to word-of-mouth promotion for Netflix's services, which, in turn, leads to more new subscribers. The increase in total number of subscribers, as well as net subscriber additions leads to increased revenues for the company.Strong revenue growthNetflix reported strong revenue growth in FY2017. The company’s revenue increased by 32.4% to