Facebook's core value (as with most social networks) boils down to network effect...if they impose any real barriers, they cease to provide value to new and exi

Facebook's core value (as with most social networks) boils down to network effect...if they impose any real barriers, they cease to provide value to new and existing users. http://en.wikipedia.org/wiki/Network_effect http://en.wikipedia.org/wiki/Network_effect You do realize your example essentially says that if ~98% of your fb friends left, you would still choose to stay & pay fb $5/mo?