Guided by the needs of taxpayers and based on the 12366 hotline, the STA has, with an Internet Plus mindset, integrated service resources, expanded service functions and improved service channels by leveraging such information technologies as AI, big data and mobile internet, which has improved the 12366 taxpayer service platform into an integrated, versatile, intelligent and personalized taxpayer service system. When completed in December 2018, the platform can provide taxpayers services in tax consultation, inquiry, training, returns-filing and rights protection in a customized fashion and via both online and offline channels. Also, the STA has expanded its service coverage by utilizing different websites and platforms to develop 12366 Intelligent Consultation Programs on Wechat, Alipay and Baidu, and provided "All in One Website" taxpayer services through intelligent robot interaction, smart delivery of personalized content and alive education broadcasted online. Since May 2019, the app and the software of 12366 tax service platform has been promoted around the country, giving taxpayers a new experience of tailored services at their fingerprints.(See Figure 9)