35 Advertising and marketing; On-line retail store services featuring software, search marketing software, interfaces for computers, assistive software, simulation software, testware, server software, downloadable software, embedded operating software, interactive business software, optimisation software, computer operating system software, software for product development, application development software, development environment software, application simulation software, data management software, software and applications for mobile devices, web application and server software, mobile apps, downloadable software applications, office and business applications; Online advertising on a computer network; Organisation of exhibitions and trade fairs for business and promotional purposes; Retail store services featuring software, search marketing software, interfaces for computers, assistive software, simulation software, testware, server software, downloadable software, embedded operating software, interactive business software, optimisation software, computer operating system software, software for product development, application development software, development environment software, application simulation software, data management software, software and applications for mobile devices, web application and server software, mobile apps, downloadable software applications, office and business applications; Sales promotion; Wholesale store services featuring software, search marketing software, interfaces for computers, assistive software, simulation software, testware, server software, downloadable software, embedded operating software, interactive business software, optimisation software, computer operating system software, software for product development, application development software, development environment software, application simulation software, data management software, software and applications for mobile devices, web application and server software, mobile apps, downloadable software applications, office and business applications