I've been playing around with Google Drive today and noticed that Google seems to handle file changes differently from Dropbox. I use Apple disk images a lot and with Dropbox, only small changes to the disk image gets uploaded. Whereas, with Google, the entire disk image gets re-uploaded again. Is anyone else noticing this? I don't know if this is actually what it is doing but it sure is taking a long time to upload a 1 byte test change to a text file within the disk image. (I've unmounted it). If this is true, this might be something to consider for those who are thinking of using Google's product. I haven't yet tested how it handles Apple's bundle packages like iPhoto.