Competitive advantage, Diversity, Productivity
Why I feel IT professionals have more Job security than other professionals do? Many industries, such as law, medical, engineering, etc, are regulated by where you practice your profession, but IT industry is not regulated by countries, it follows international accepted standards and that what make any experience you gained in any country counts toward your total experience.
Its relatively easy to transfer IT force from one country to another, since IT professionals don’t need any familiarization to the new country standards, and if there is any, it will be minimal.
So if we in IT and you love your job, feel secure about your job, your skills demand worldwide, you basically can pack, get in the plan and start new job in new country with in a week