Microsoft's experience in Cloud Computing

Microsoft has been providing cloud computing services for more than 15 years by operating our own consumer Software as a Service (SaaS) offerings including Hotmail (with over 450 million users), Live Mesh, and BING (search) with over 28 billion queries per month. With enterprise online services such as the Business Productivity Online Suite (BPOS), which includes Microsoft Exchange Online, Microsoft SharePoint Online, Microsoft Office Live Meeting, and Microsoft Office Communications Online, Microsoft Cloud services have been expanded to commercial and government enterprise customers. Additionaly in the Education Sector Microsoft offers free solution  Messaging and collaboration for Universities with Live@Edu.