STAMFORD, Conn., March 26, 2009 View All Press Releases Gartner Says Worldwide Cloud Services Revenue Will Grow 21.3 Percent in 2009 Cloud Services to Be Discussed at Gartner Outsourcing Summits Being Held in Las Vegas, London and Tokyo Worldwide cloud services revenue is on pace to surpass $56.3 billion in 2009, a 21.3 percent increase from 2008 revenue of $46.4 billion, according to Gartner, Inc