Among the many cloud storage services available today, Dropbox is easily one of the more prominent and popular one due mainly to its apps. Apple users are well covered as Dropbox has apps for OS X, iPhone/iPod touch as well as an app tailored for iPad.
Dropbox is one of the essential and convenient tool for transferring and sharing files on your desktop with your mobile devices. For example to photoshop the picture that you have just taken with your iPhone’s camera, you can use Dropbox app on the Phone to upload the picture to your Dropbox account, and then access the same file on your Mac. You need to register as an user in order to use the service, and the basic free account comes with a 2GB of disk space.