I got down-voted for saying it last time this was brought up, but: Sharing data is what these companies do. The only way to keep your data safe is to use open-

I got down-voted for saying it last time this was brought up, but: Sharing data is what these companies do. The only way to keep your data safe is to use open-source, e2e systems. Even if you trust any company today, there's no reason you can trust said company tomorrow.