42 Design and development of computer hardware and software; Design and development of computer hardware and software, namely, artificial intelligence; design, development, reconstitution, hosting and maintenance of computer databases; data security services; website design, development and hosting services; website traffic optimization; maintenance of websites; website usability testing services; creating, building and maintaining websites; updating websites for others; computer services, namely, designing and implementing websites, webpages, home pages, internet sites and mobile applications for others; design, development, implementation and maintenance of mobile applications; software design, development, programming and implementation; planning, design, programming and implementation of computer technologies for others; platform as a service (PaaS); hosting platforms on the internet; programming of software for internet platforms; constructing internet platforms for electronic commerce; programming of software for e-commerce platforms; creating of computing platforms for third parties; application service provider (ASP); information, advisory and consultancy services in relation to all the aforesaid services