Hard to tell. Google does lose data, but they aren't going to own up to it. Anecdotally, I use a different Google Drive client (Syncdocs) and haven't lost anyth

Hard to tell. Google does lose data, but they aren't going to own up to it. Anecdotally, I use a different Google Drive client (Syncdocs) and haven't lost anything. However, I don't know what % of users are affected.