It's not so easy, connecting [name redacted] and [redacted] without resorting to OP's writing was quite tricky - after looking at some Dropbox patents I _think_ that's the same person, but still ain't sure.
...I'm not mystified about claims of friendship with Nat Friedman - I don't have a high opinion of the latter, I see evidence of friendship with other Open Source folks, and that kind of people tends to be "friends" with _a lot_ of people.