15 GB of free storage space in the cloud. Google Docs’ successor (offers basic document editing in the cloud).

Private, e-mail or link-based sharing of files. Integrated cloud applications allow creating and editing different formats (document, presentation, spreadsheet, drawing, template response, or mind map) of files, which may be edited by anyone with access to the file, collaboratively. Of course, the files created in this way can  be synchronized with your computer as well.

https://itunes.apple.com/en/app/google-drive/id507874739