42 Maintenance of computer software; consultation services in the field of the design and development of computer software and hardware used for big data analytics; consultation services in connection with the design and development of computer software and hardware for data warehousing, data management, data mining, data monitoring, data optimization, data retention, advanced analytics, and data and marketing analytics; consulting services in the field of cloud computing; providing temporary use of non-downloadable software for data warehousing, data management, data mining, data monitoring, data optimization, data retention, advanced analytics, and data and marketing analytics; software as a service (SAAS), platforms as a service (PAAS), and infrastructure as a service (IaaS), all featuring software for data warehousing, data management, data mining, data monitoring, data optimization, data retention, advanced data analytics, and data and marketing analytics; data warehousing; data mining; technical support services, namely, technical advice related to the implementation of computer hardware and software and troubleshooting in the nature of diagnosing hardware and software problems, both of the foregoing in connection with data warehousing, data management, data mining, data monitoring, data optimization, data retention, advanced analytics, and data and marketing analytics; custom design and engineering of software and technology solutions in the field of data analytics; and technology consultation and assessment in the field of data analytics