It is obvious in reference to using a "stream server that does most of what people really want from a social network" to evolve folks' ability to perceive and digest the opinions of their peers being presented as fact on the internet.
“e14n” is short for “ephemeralization”. It means “doing more with less”, “doing things smarter so you need fewer resources to do them”.
A good example is how we used to send a human messenger 100 miles to deliver a message. Then we figured out how to pass along a piece of paper with the same message on it from hand to hand to go the same distance. Now, we send electrical signals instantaneously for the same data. We got smarter and use less stuff to get the same job done.
