Tweeted By @random_walker
Do you use a VPN for privacy? Here's what you should know:
— Arvind Narayanan (@random_walker) December 22, 2019
–There's no way you or anyone else can tell if the VPN provider is selling your data.
–If a VPN provider _doesn't_ sell your data, it will be outcompeted by those that do, and go out of business.
It's a market for lemons.