tekgoblin writes "Before Apple came up with iCloud it looks like they actually made a run at Dropbox. Dropbox made its success by offering consumers storage in the cloud and making it very easy. New users could sign up and receive free storage space and if they want more, pay for it. Dropbox worked by designating a folder on your local computer to sync files to the cloud which could then be also synced between all computers you own."
Link to Original Source