Although I use Google Docs almost exclusively for most of my work, I still use Dropbox for document storage. Reason is simple: I've been burned by Google Drive

Although I use Google Docs almost exclusively for most of my work, I still use Dropbox for document storage. Reason is simple: I've been burned by Google Drive before. Lost some important documents because I thought they'd synced when they hadn't. Drive - at least back then - was simply unreliable with its synchronization. Never had that problem with Dropbox