Of course they snoop on your files. You're uploading to their system and they really have no incentive, nor requirement, to give you privacy. Anyone who uploads

Of course they snoop on your files. You're uploading to their system and they really have no incentive, nor requirement, to give you privacy. Anyone who uploads sensitive files, from porn to bank statements, to Dropbox should know without a doubt that someone is probably going to see it. The only way around that is to encrypt locally, then upload.