42 Evaluations, appraisals and research in the technological fields provided by engineers; design and development of computer software, computer systems, algorithmic software and new technologies; research and development of new products for others; technical, technological, programmatic and algorithmic project studies; development (design) or rental of computer software, servers, algorithmic programs; installation, maintenance and updating of computer software, software for computer servers, algorithmic programs; computer programming; computer technology consultancy; conversion of data and computer code; hosting of adverts on the internet; designing of websites, parts of websites, and APIs for advertising purposes and the serving of adverts; programming of software for online advertising; software as a service (SaaS) services; platform as a service services (PaaS); PaaS and SaaS services for marketing, data analysis, the serving of adverts, creating and uploading advertising materials, monitoring advertising campaigns, budding on and selling advertising space, automating the process of bidding on and selling advertising space, Real Time Bidding (RTB) on adverts, the encryption of personal data related to online marketing; securely storing and sharing customer data between approved parties and sources; PaaS and SaaS services providing on Artificial Intelligence (AI) and Machine Learning (ML) tools for the analysis of data related to marketing campaigns and customer sales habits; PaaS and SaaS services providing Artificial Intelligence (AI) and Machine Learning (ML) tools to predict the value of a customer in an online marketing context and to calculate an appropriate bid for placing adverts before said customer; Science and technology services; Technological research; Scientific services and design relating thereto; Technological services and design relating thereto; Scientific research; Industrial analysis services; Industrial research; Product testing; Product design; Product development; Product research; Hosting of transaction platforms on the internet; Constructing an internet platform for electronic commerce; Consultancy relating to the creation and design of websites for e-commerce; Hosting of e-commerce platforms on the Internet; User authentication services using technology for e-commerce transactions; Infrastructure as a Service; Design of information technology infrastructure for others; Electronic storage of entertainment media content