Net income for the technology giant came in at $6.56 billion for the October-to-December period, up from the $6.38 billion posted a year earlier. Earnings for the firm were boosted by sales of the new Xbox One console and its range of Surface tablets, as well as strong demand from businesses for its cloud computing services. Sales of the firm's cloud programs, such as Office 365 and Azure, more than doubled in the December quarter from a year earlier, while sales of its Surface tablets doubled from the previous quarter.