[bhnmmhmd]

Exactly!

As another example, Telegram claims to be the most secure messaging app out there. They have open-sourced their code, but what really matters is what they do with peoples' data on their servers.

> They're not going to open source their entire web infrastructure.

I think blockchain can actually solve this problem once and for all. When data is stored in decentralized nodes, much of these concerns are gone.