Virtualization allows each of those machines to host "virtual" servers that are capable of both online banking and bill processing.

FORBES: Cisco's Big Switch

While separation of duties does apply, the principle of economy of mechanism indicates that creating multiple virtual servers on a single host with software like VMware is creating a complex system.

FORBES: Teach Your Boss to Speak Security: Economy of Mechanism

The Avatar Kinect system will let people host and attend virtual meetings and gatherings with the avatars of their friends and have their on-screen doubles act out what they are doing in real life.

BBC: CES 2011: Microsoft shows Windows running on Arm chips

This coupled with security such as an RSA key, a virtual private network and a whole host of other security measures.

FORBES: VMware Embraces The BYOD Revolution

Brocade is building technology in VCS that allows a virtual machine to not only be migrated from host to host within the same VLAN but to stretch that across geographically distant hosts as well.

FORBES: VMworld 2010: A Chat With Brocade's Dave Stevens

One possible approach to these issues is to combine Chromebooks with third party solutions such as Ericom AccessNow, an HTML5 RDP solution that enables Chromebook users to connect to any RDP host, including Terminal Server and VDI virtual desktops, and run Windows applications or desktops in a browser tab.

FORBES: Google In Education: Chromebooks A 'Right Time Technology' For Passaic, New Jersey School District

The coding language Java, he points out, is designed to sandbox itself, creating virtual walls around applications that limit their access to the host computer's resources.

FORBES: Magazine Article

Minecraft supports a multiplayer mode allowing players to set up and manage a server that can host dozens or even hundreds of simultaneous players in a single, persistent virtual world (for an example of a popular Minecraft server, see Meepcraft).

FORBES: Online Games And Crowdsourced Creativity: The Next Frontier In Intellectual Property