Acrobat XI has direct access to cloud storage on Acrobat.com. Upon signing up for a user account, you can save up to 5GB of files on the service for free. (Adobe sells larger storage space if you need more.) Your files can be shared with others, whether they also have an Acrobat.com account or not. This is convenient, especially on your smartphone or tablet to access your Acrobat.com cloud drive, but it would have been better if Acrobat XI also provided functionality within it with other cloud storage services (e.g. Dropbox, Google Docs, SkyDrive).