Application service provider (ASP) featuring software for use in a virtual office; Application service provider (ASP), namely, hosting computer software applications of others; Computer services, namely, creating an on-line virtual environment for enterprise-class email, calendar and collaboration; Computer services, namely, providing virtual and non virtual application servers, web servers, file servers, co-location servers, load balancing servers, redundancy servers, media servers and database servers of variable capacity to third party computing and data storage facilities; Computer services, namely, providing virtual enterprise-class servers to others; Providing virtual computer systems and virtual computer environments through cloud computing