Customer server co-location, namely, providing physically secure power protected data centers for housing network equipment; hosting the web sites of others on a computer server for a global computer network; computer services, namely, data recovery services, data filtering and sorting and data warehousing; customer system support consisting of monitoring of network systems, providing back-up computer programs and facilities including emergency power back-up for customer servers and troubleshooting of computer hardware and software problems; technical support services, namely, remote or onsite troubleshooting of computer hardware and software problems; providing back-up computer programs, services, and facilities; remote or onsite monitoring of computer systems; data encryption services; computer security monitoring and security monitoring of computer access to the Internet