In 2000, that is 10 years ago, every organization had to have their own mail server, wither in-house or rented from and ISP.
Today, you go to a company like Google, and get your packaged office solution, that not only has email, but also other stuff like documents and calenders.
In another 10 years time....
Well as we all know, the world moves faster and faster every year. Though it took many years for email to become a hosted service, it would not take that many years for other IT operations to go into hosted model, thanks to the hype, and looming reality, around the cloud.
Within this year, we will see end-to-end IT operations, completely on the cloud, including integrated enterprise applications.
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