If you have any doubts that digital transformation is top of mind for IT executives, just take a look at what they're buying. Spending on enterprise software, particularly cloud services and applications, is expected to grow faster than any other category of IT this year, fueling an overall increase in global spending on technology.

That's according to a report from market research and consultancy firm Gartner, released today, that forecasts a 3.2 percent rise to $3.77 trillion in worldwide spending on IT.

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