Zillow has gone from a mostly automated world where an agent can pay the company without a single human getting involved, to one in which they now must manage an army of people who inspect, buy, repair, and sell homes.
Before the company realized Pinterest was essentially doing what they did, it was too late. Even worse, they did not know how to make money off of their free service.
This all leads me to hypothesize that the optimal size for active group members for creative and technical groups -- as opposed to exclusively survival-oriented groups, such as villages -- hovers somewhere between 25-80, but is best around 45-50. Anything more than this and the group has to spend too much time "grooming" to keep group cohesion, rat... See more