http://www.siemensjobcam.com/global-mobile-company-2/

What percentage of the population can be said that the mobile world?
Ie. working for global companies – in effect expatriates or the like that move every few years.
The international roaming charges would kill you. Therefore, I do not think there are plenty of them. These days, almost everyone is connected and accessed via the network, and is much cheaper … so the numbers should fall even further.
Global Mobile 1, http://globalmobile1.goadn.com.