42 Updating of computer software; Updating of Internet pages; Computer security services, namely, restricting user access to computer networks; Consultancy with regard to the design of homepages and Internet pages; Provision of search engines for the Internet; Computer software consulting; Designing and creating homepages and Internet pages; Computer software design; Design of computer systems; Digital certification and security services, namely, issuance and management of digital codes and/or digital signatures for ensuring website security; Computer programming; Graphic-design services; Draftsman's services, namely, drafting services for others; Graphic design services, namely, digital image processing; Design and maintenance of websites for third parties; Hosting websites on the Internet; Installation and maintenance of software for creating, designing and maintaining websites and for composing, layouting, editing and publishing blogs, blog articles and other electronic publications, to be used with mobile telephones, smart phones, tablet computers, desktop computers and laptop computers; Server administration; Technical project management in the field of electronic data processing; Computer software rental; Rental of webservers; Rental of webservers for electronic storage of data via the Internet; Webpage development for others, namely, installing webpages on the Internet