what is the network effect? (Theodore Vail)

how the value of a good or service increases as more people start to use it

can you remember what feedback loop theory? (Norbert Wiener)

constant loop of information – allows us to produce future actions from habits of the past – allows us to successful hit the target market

what is the Dunbar number (Robin Dunbar)?

relationships in which an individual knows who each person is and how each person relates to every other person

companies communicate to millions of people

individuals have the potential to, however only communicate with a small quantity