As businesses start to upgrade to Windows 7, Microsoft's revenue curve gets steeper as the bucks roll in.
Microsoft's latest quarterly results show that Windows 7 is the engine driving the company's growth as it saw US$16 billion in revenue result in $4 billion profit. The company highlighted upgrades from business users as one of the big forces behind the rise in sales and with Office 2010 and SharePoint 2010 to come in the next quarter, it can expect a further boost in upgrades and sales as the Windows/Office duopoly kicks into top gear.

Windows 7 was in most of the headlines at the Microsoft announcement
All of this income will prove useful as Micosoft prepares to launch its Windows Phone Series 7 devices later in the year. The company has to hope it can provide an Apple-like boost to its share price (Microsoft's $31 to Apple's $266). The company also saw growth from bing, taking 11.7% of the search market in March and rises in revenue from Xbox Live services.