1. video into lives of people useing picures conduct oreo cookie 2. celebrities able to conduct what show positive energy and some natural trend 3.TV is a good influencer advertise has a profound though often sabliminal influence on our seneses and moods 4. because financial incentives 5 I think that wechat QQ weibo 6.it provides so much convenience to people for buying movie ticjets and to shopping as well 7.Goverment use social media telling use knowledge.