 When Dropbox DBX , Financial was founded in 2007, it was a real game-changer when it came to cloud-based file storage. Since then, though, the companys moat has been eroded away as many competitors entered the market, from Alphabets GOOG , Financial GOOGL , Financial Google Drive to Microsofts MSFT , Financial OneDrive, Apples AAPL , Financial iCloud and much more. 