the.com/network effects
the only business moat that gets stronger the more people it annoys.
means a product or service becomes more valuable to each user as more people use it, creating a self-reinforcing loop.
from formalized in telecom economics in the 1970s-80s to explain why one phone company beats two — a phone is worthless if nobody else has one, priceless if everyone does.
metcalfe's lawvalue scales roughly with users squared, not linearly
chicken and egghardest part is always getting to critical mass
can reversesame effect empties platforms fast once trust cracks
not automatic moatmyspace had users and still died