Cloud computing is more than an IT buzzword. With the worldwide cloud computing market estimated at $10.7 billion (the U.S. accounts for approximately 40 percent of that total), cloud computing is quickly becoming the technology of the future.  In fact, according to Microsoft CEO Steve Ballmer, 70 percent of Microsoft employees are doing work that is related to cloud computing, and that figure is expected to continuously increase.  So what is cloud computing? Simply put, cloud computing...