Dropbox offers end-to-end encryption now (for business teams):
https://blog.dropbox.com/topics/company/new-solutions-to-sec...
https://blog.dropbox.com/topics/company/new-solutions-to-sec...
It just feels like feature gatekeeping to me, but no way for me to pay more to get this feature. But I also understand that personal users are not Dropbox's main focus.
(Edit: changed offline to offsite)
Is dropbox advanced a business plan?