42 Design and development of software and applications; installation, maintenance, and updating of software and applications; providing an online platform and on-line non-downloadable software and applications for advertising purposes; providing an on-line platform and on-line non-downloadable software and applications using artificial intelligence for advertising purposes; providing an on-line platform and on-line non-downloadable software and applications using machine learning for advertising purposes; Software as a Service (SaaS) services; Software as a Service (SaaS) services featuring software using artificial intelligence for advertising purposes; Software as a Service (SaaS) services featuring software using machine learning for advertising purposes; Software as a Service (SaaS) services featuring software using artificial intelligence for advertising purposes, namely, for creating control groups to measure advertising outcomes; Software as a Service (SaaS) services featuring software using machine learning for advertising purposes, namely, for creating control groups to measure advertising outcomes; Platform as a Service (PaaS) services; Platform as a Service (PaaS) services featuring software platforms using artificial intelligence for advertising purposes; Platform as a Service (PaaS) services featuring software platforms using machine learning for advertising purposes; Platform as a Service (PaaS) services featuring software platforms using artificial intelligence for advertising purposes, namely, for creating control groups to measure advertising outcomes; Platform as a Service (PaaS) services featuring software platforms using machine learning for advertising purposes, namely, for creating control groups to measure advertising outcomes; Application Service Provider (ASP) services; Application Service Provider (ASP) services, namely, hosting, managing, developing, analyzing, and maintaining software and applications in the fields of advertising and marketing; Application Service Provider (ASP) services featuring software and applications using artificial intelligence for machine learning in the field of advertising.