The cloud helps to make tablets a viable alternative to laptops. Backup your files, share documents, and save space on your tablet for the really important stuff, like that movie you’ll be watching on your next transcontinental flight in the clouds. The Dropbox app makes it easy to use gigabytes of free storage offered by Dropbox.com. Dropbox Pro 200 is a premium version for teams of 5 members that includes 200 GB of storage for $995/year. Additional users can be added for $199/year.