Source: fool.com Rewind a few years and Microsoft (NASDAQ:MSFT) was written off as a distant third-place player in the cloud computing market. Amazon (NASDAQ:AMZN) dominated with its Amazon Web Services while Alphabet’s(NASDAQ:GOOG) (NASDAQ:GOOGL) Google was its scrappy second-place rival.  But things have changed a lot since then. Amazon is still the leader, but Microsoft is chipping away at its lead. It has become the second-largest cloud computing provider on a worldwide basis and is growing at a rate that surpasses its rivals. It’s also operating in an environment that