Another possibility would be to somehow incorporate the possibility of publishing the algorithm and providing some kind of "under the hood" view that reveals to

Another possibility would be to somehow incorporate the possibility of publishing the algorithm and providing some kind of "under the hood" view that reveals to people what determined what they're seeing. Part of the issue currently is that everything is opaque. If Facebook could not change their algorithm without some of kind of public registration process, well, it might not make things better but it might make it get worse a bit slower.