automation (OA), customer relationship management (CRM) and enterprise cloud service so as to enhance the working efficiency of teams. Communication, collaboration and security of instant messaging will become the three core elements of future competition among enterprises. 2.2 Search Engine Up to December 2016, China had 602 million search engine users, an annual increase of 36.15 million or 6.4%, with a usage ratio of 82.4%; it also had 575 million mobile search users, an annual increase of 97.27 million or 20.4%, with a usage ratio of 82.7%. Number of Users and Usage Rate of Search/Mobile Search Dec. 2015 – Dec. 2016 10,000 persons 70000 60238 82.7% 100% 60000 56623 82.3% 57511 80% 50000 77.1% 82.4% 40000 47784 60% 30000 40% 20000 10000 20% 0 0% 2015.12 2016.12 The number of search users The number of mobile search users The usage rate of search (by all Internet users) The usage rate of mobile search (by all mobile Internet users) Source： Statistical Survey on Internet Development in China 2016.12 Figure 53 Number of Users and Usage Rate of Search/Mobile Search Dec. 2015 – Dec. 2016 In terms of technological innovation, the collaborative development and deep integration of search products and many cutting-edge technologies has become an increasingly prominent trend. The increasingly strong demands of users for localized and personalized searches spur search engine enterprises to increase their investment in advanced technologies. Service providers provides their users with personalized, scenarized and targeted information search services through the in-depth integration of search products and technologies including voice and image recognition, information recommendation based on big data, and human-computer interaction, keeping enriching functions of search products and expanding the information coverage. 60 In terms of service extension, the ecosystem has taken shape, featuring interconnected The 39th Statistical Report on Internet Development in China