Users get the option of running multiple operating systems on their computer, and can access hosted desktops from any location and any device. However, a hosted desktop model typically prevents offline access.

Are all desktop virtualization products pretty much the same?

No. Broadly speaking, there are two kinds: Local desktop virtualization, which runs the entire desktop environment in a protected "bubble" on the user's PC; and hosted desktop virtualization, which stores the users' desktops in the data center on a server or PC blade, requiring users to access their desktop images through a network connection.

Who are the key vendors?

There are many. Desktop virtualization software is provided by established vendors such as , and , as well as numerous start-ups, including Neocleus and Virtual Computer. Thin clients and PC blades, which are often paired with virtualization software, are sold by various hardware vendors including Wyse Technology, , , and ClearCube.