text: Dropbox’s exposure to the enterprise market could give it an edge when it comes to discussions about its cloud rivals, which include big players such as Microsoft Inc. (MSFT – Get Report) , Alphabet Inc. (GOOGL – Get Report) , Apple Inc. (AAPL – Get Report) , Amazon.com Inc. (AMZN– Get Report) and Box Inc. (BOX – Get Report) , among others. Enterprise customers tend to be “stickier” because contracts last for about two to three years, while consumers can easily switch between cloud providers, said Santosh Rao, head of research at investment bank Manhattan Venture Partners.