It's likely something new. This is very much integrated into Google Docs (Docs actually gets replaced with Drive when you opt-in), so it's different than just a

It's likely something new. This is very much integrated into Google Docs (Docs actually gets replaced with Drive when you opt-in), so it's different than just a storage system. Like a commenter mentioned above, this is all about replacing your hard drive and the "Open With.../Save As..." dialogs in your operating system. The previous iterations of this were simply a generic filesystem interface to the shared storage pool Google was using for Picasa, Docs, Gmail, and other services. This is way better.