42 Development, programming and implementation of software for the operation of a digital platform, relating to the following sectors: marketing and advertising; hosting of computer sites (websites), providing software as a service; development and hosting of platforms on the Internet, relating to the following sectors: marketing and advertising; computer database development, technical advice relating to operation of a computer database; data duplication and conversion services; updating the memory banks of computer systems; data migration services; monitoring of computer systems by remote access; installation services, repair work, maintenance services, in relation to the following goods: digital platforms, databases, software and apps in the fields of marketing and advertising; consultancy and information in relation to the aforesaid services, included in this class