Walls are irrelevant if you have the whole world inside them. Facebook doesn't need to cooperate with other elements because it is a behemoth. There will always

Walls are irrelevant if you have the whole world inside them. Facebook doesn't need to cooperate with other elements because it is a behemoth. There will always be a minority which wants to see more outside access, and Facebook can appease them, but they don't need to go in that direction for growth. The way out for them is reorganizing and adding more features to tie people further to the service.