Which cloud storage service has native Google docs integration with privacy in mind?

I know that's some cloud storage services logs the actual words and sells the contents of what you store to advertisers

I just haven't had a chance to go through and read all the different usage policy fine print to see which ones do and don't

So far I know about box, OneDrive, Dropbox, and mega are options but I don't know Which ones can open the docs directly without having to switch apps, login to multiple places, or open …

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