When computing costs dropped like a proverbial stone after 1970, it created a remarkable opportunity for businesses to improve operations and grow. Suddenly, "the guys in the basement" became the IT department, and the data center manager became a very powerful CIO. This new role wielded a large budget and incredible control as companies invested heavily in enterprise applications, immense data repositories and thousands of PCs.
That was then. This is now.
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Cheap smartphones, tablets and apps mean users are buying their own devices and aren't happy with company-supplied PCs, software or BlackBerrys. Meanwhile, software-as-a-service applications let users bypass enterprise systems for cheap applications they can pay for out of their own budgets -- and prefer to use.