Operating systems and applications will no longer run only on the employee's PC but on a virtual machine in a data centre that can be accessed remotely, theoretically from any PC in the world.

And with demand for computing picking up in other parts of the world, the boom in data-centre construction is spreading to unexpected places.

World Health Organisation, a regional centre, a poison control centre which fulfils the condition that it does not derive from a study or any organised data collection scheme.