35 Business and marketing data analytics services; Analysis of business and marketing data for websites and mobile internet sites; customer loyalty services for commercial, promotional and advertising purposes; Marketing of content development, media placement, for others, strategy and management, social media strategy consultancy, and social media community management; business consultancy services for others in connection with customer engagement and customer interactions on the Internet and other media; advisory services relating to advertising, marketing, sales and service; business management and organization advisory and consultancy services; Business management; Business management, consultation and organization services; Business consulting; Consultancy relating to search engine optimization; Optimization of websites for search engines for sales promotion; Consultancy in connection with advertising on search engines