[mjlyons]

A couple things:

1. It syncs PDFs as well as links. Assuming you run the Dropbox app on your computer, you can view your Google Docs even if you're offline.

2. If you already use Dropbox and sync it to your computer, you no longer need to run another sync client (Google Drive's).

3. If you use Google Docs and Dropbox, you can keep everything in one place.

[ljk]

I see now, it's for Google Docs users who don't have Google Drive installed