42 Constructing an internet platform for electronic commerce, marketplaces and to connect tenants with available rental properties; hosting of e-commerce platforms on the internet for electronic commerce, marketplaces and to connect tenants with available rental properties; design and development of computer software for electronic commerce, marketplaces and to connect tenants with available rental properties; design and development of software for instant messaging for electronic commerce, marketplaces and to connect tenants with available rental properties; programming of marketing, educational or finance related software; Artificial intelligence consultancy; hardware and mobile applications for marketing and promotional campaigns relating to electronic commerce, marketplaces and to connect tenants with available rental properties; design and development of computer platforms for internal use or for third parties for electronic commerce, marketplaces and to connect tenants with available rental properties; software as a services; platform as a services; hosting platforms on the Internet; design and development of computer software for accessing databases; programming, development and maintaining customised software and data; interactive hosting services enabling users to share information; design and development of programmes for data processing; hosting of portals and online platforms; programming of software for internet portals, forums etc. and for managing data; constructing an internet platform or portal; programming software for internet platforms, portals or mobile applications; hosting of digital content or platform online, all for electronic commerce, marketplaces and to connect tenants with available rental properties.