42 Conducting of technical project studies; software development (design); software installation; software maintenance; updating of software; software rental; programming for computers; computer system analysis; computer system design; consultant services with respect to computer hardware design and development; digitization of documents; Software as a Service (SaaS); cloud computing; advice relating to the design of computer systems and particularly computer programs for hotel management and reservation; providing non-downloadable software for implementing and managing sales strategies for hotels; providing search engines with respect to hotel room and travel comparison, reservation and purchase; design, development and making available of software applications enabling the implementation and management of sales strategies for hotels for use with personal computers, personal digital assistants, cellular telephones and all other mobile devices; professional consultancy unrelated to business dealings concerning computer systems and in particular hotel management and booking programs; design and maintenance of computer programs and systems for hotel reservations and assistance in the management of hotel reservations by making databases available; setting up of software parameters for third parties in the field of hotels; rental of software in the field of hotels; studying technical projects to install a hotel booking system on the Internet; design and development of Internet sites; hosting of Internet sites; hosting e-commerce platforms; service platform hosting; design and development of logistics software, supply chain management and e-commerce portals; providing non-downloadable software, for temporary use, for audio content, video content, photographic image, text, graphic illustration and data transmission; providing software application programming interfaces (API) for electronic mail and transmission of audio content, video content, photographic images, text, graphics and data; platform as a service (PaaS) featuring software platforms for real estate management, hotel management, computerized reservation of hotel services; platform as a service (PaaS) featuring software platforms for electronic mail and for transmitting audio content, video content, photographic images, text, graphics and data; providing non-downloadable software, for temporary use, for electronic payment processing; providing non-downloadable e-commerce software to allow users to perform electronic business transactions via global computer and communication networks; providing an application programming interface (API) enabling users to perform electronic commercial transactions via a global computer network; platform as a service (PaaS) services featuring software for electronic commercial transactions