Privacy on the web is an elusive thing. We often think our data is private only to later learn the company we trusted is using it for something we find unsavory (or it gets hacked and released en masse). In our view, this is one of the central shortcomings of the current system — centralized services are the only option for communities. This forces us to trust these services with our data, even if we do not want to or do not know how they are using it. For many, they view this as the cost o...