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 Worldwide IT operations management (ITOM) software revenue totaled $18.3 billion in 2011, an increase of 8.7 percent from 2010, according to Gartner, Inc. ”The market showed growth for the second consecutive year, after a sharp decline in 2009, despite slow economic growth, tight IT budgets, and merger and acquisition activity,” said Laurie Wurster, research director at Gartner. “We saw consistent resilience in 2011, with the ITOM software market expanding both in terms of revenue and worldwide markets.”