The ‘Application Data folder’ is a special folder that is only accessible by your application. Its content is hidden from the user, and from other apps. Despite being hidden from the user, the Application Data folder is stored on the user’s Drive and therefore uses the user’s Drive storage quota. The Application Data folder can be used to store configuration files, saved games data, or any other types of files that the user should not tamper with.
In short, Google is giving itself all the permissions it could possibly need to run all of Google services, with the specific limitations that it doesn’t own anything you upload and it can’t use your data beyond running its services.
Dropbox’s language is definitely friendlier than Google’s, but it’s actually more expansive, since it’s more vague. Where Google specifically lists the rights and permissions it needs to run its services using precise legal terminology like “create derivative works,” Dropbox just says you’re giving it “the permissions we need” to run its services.
Lots of cruft has been circulating, because most people some to neglect/not mention this little part from Google’s policy:
You retain ownership of any intellectual property rights that you hold in that content. In short, what belongs to you stays yours.
As expected, the service will offer 5GB of storage space for documents, videos, photos, PDFs and other files, and Google Docs is built-in to the service. Users will be able to upgrade to 25GB of space for $2.49 a month, 100GB for $4.99 a month, or 1TB for $49.99 a month, and upgrading to a paid account will expand your Gmail storage to 25GB.