Before Dropbox became popular, there was iDisk, which was Apple’s cloud storage system. iDisk allowed you to store documents, pictures, QuickTime files, and PDFs in one cloud-based “drive.” This was accessible on all of your Apple products as well as at me.com on a PC. It was practically like having your most important files in Finder on your computer – but everywhere.
Then iCloud came out. iCloud dropped support of iDisk, which meant there was no longer a way to access all of your files in a Finder-like cloud system. This paved the way for third party apps like Dropbox to become even more popular.
Dropbox is free. Dropbox works on any platform: Mac, Windows, iOS, Android, and Blackberry. Dropbox gives you 2GB of storage space for free and they offer incentives to increase your allocated amount of free storage space.
There are two different ways to set up Dropbox: