Cloud computing and cloud hosting are among the biggest developments in the technology sector since the invention of the Internet in the latter part of the 20th Century. According to a recent report by Markets and Markets (M&M), a global market research and consulting company, the global cloud computing market is expected to grow from $37.8 billion in 2010 to $121.1 billion in 2015. That’s nearly a 200% increase in just five years. Many analysts predict that within 10 years, 80% of all computing, storage, and e-commerce done worldwide may take place in the cloud. Software as a Service (SaaS) is the largest segment of the cloud computing services market, accounting for 73% of the market’s revenues for 2010. The major SaaS-providers include Adobe Web Connect, Google Mail, Cisco WebEx, and Yahoo Mail. Content, communications, and collaboration (CCC) accounts for about 30% of the SaaS market revenues.What types of clouds are there? There are many variations of the term “cloud” including public and private clouds, hybrid clouds and community clouds.