Dropbox is a great file sharing and syncing service. You can use Dropbox for many uses. It is also very easy to use. Just put files in the Dropbox folder and it is all synced across all your computers and even your mobile devices. File sharing is also very easy. You’ll get 2GB space for free. If you click on the following link receive an additional 250MB space! And earn more by completing the “getting started guide” and receive even more space!