Chrome: Google Drive has had offline access to files for a little while, but the process wasn't automatic. With a recent update that's rolling out to users today, all your Google Drive files that you create will automatically be stored for offline access.
Google Drive got a few updates today, in the form of an official "Save to Drive" Chrome extension and a few new features to images stored in your Drive. More »
iOS/ChromeOS: If you've been waiting for offline document editing in Google Docs, wait no longer. Google announced offline editing at Google I/O today, and Google Drive, Google's Dropbox-like competitor, picked up native apps for iOS and Chrome OS which allow you to view and edit documents in full screen on your iPhone, iPad, or Chromebook. More »