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Kenneth,

I’ve been searching for an answer to your question about whether Dropbox would need to upload the entire container each time a change was made to the container contents. There seems to be some confusion out there, but I have found some discussions say that Dropbox uses block level syncing, meaning that instead of looking at files, it only transfers the piece of the file that changed. So, some people are saying that it will see your container as a bunch of bits, and only sync the changed bits. I’m not so sure though, and would love to hear from someone who has tried this.