This sort of thing is out of my league. I am just an investor and learner. However if someone has a viable solution one day I would be willing to fund development for it via the DHF.
Hopefully someone is thinking about privacy down the road, although like I said I am not sure if it would even be possible. Transparency does have its benefits in a social network. I am sure people much smarter than me are thinking about this. 
RE: Another post about beneficiary usage which turned into something else