Cloud computing can drastically reduce the complexity and worry of managing in-house IT infrastructure. At the same time it can move your expense base from Capital Expenditure to Operational Expenditure, which can be a tax advantage for many businesses (speak with your accountant).
Cloud services can seem confusing at first but if you are already using one of the following services then you are already ”in the cloud”: Dropbox, Google Calendars, Amazon, Yahoo Email, Hotmail, Office365, Skydrive to name just a few.