such as Tencent and Top News subsidize We Media with great investment, and copyright expenses have become one of main expenditures of these platforms. Meanwhile, business news client-end Apps including Top News, Sohu News, Yidianzixun and Kuaibao improve their own utilization ratio and brand awareness by conducting cooperation with upstream mobile phone producers in pre-loaded Apps and stepping up efforts on ads delivery. 2.4 Social networking In 2016, social networking applications grew steadily, with social networking Internet platforms being used extensively. For one thing, comprehensive social networking applications introducing live streaming brought more users and traffic; for another, further segmented and enriched, social networking platforms are becoming more innovative and targeted at smaller user groups, according to different scenarios, vertical user groups and information-bearing channels. The top three typical social networking applications belong to comprehensive social networking ones. WeChat Moments and Qzone are social networking services based on instant messaging. As of June 2016, their utilization ratio had reached 85.8% and 67.8% respectively. Weibo, serving as social media, benefit from celebrities, Internet celebrities and the establishment and improvement of media content ecology as well as the in-depth deployment of short videos and mobile live streaming, whose utilization ratio continued growing and reached 37.1%, up by 3.1 percentage points from June 2016. Among vertical social networking applications, Douban, a typical one of interests and social networking applications, had a utilization rate of 8.1%. WeChat Moments, Qzone and Weibo, belonging to comprehensive social networking applications, significantly vary from each other in social relationship closeness, user properties and geographical features. From the perspective of exchange properties, WeChat Moments form a relatively closed individual community, and the shared information is from the interaction between friends. Weibo is a public platform for information spreading based on social relations, whose users increasingly focus on interest-based vertical and segmented fields. Qzone falls in between them. Seen from user features, WeChat Moments have a high user penetration rate, with all user groups having almost the same utilization ratio, except the low-age user group (aged 6-9) and the user group with low educational background (primary school or below). Netizens living in 6363 The 39th Statistical Report on Internet Development in China