Yes. When we write carefully crafted services that manipulate data based on a set of permissions and rules that make up what Twitter (for example) is, you're ba

Yes. When we write carefully crafted services that manipulate data based on a set of permissions and rules that make up what Twitter (for example) is, you're basically doing similar things that Postgres is doing when it writes data, it is looking at it's own set of permissions, etc.. So yes that's the exact analogy. We're writing databases on top of databases. Only ours are no-SQL.