I think tumblr excels because, lacking a front page like reddit, the user's that hate each other never interact. And I'm increasingly sure that this is the only

I think tumblr excels because, lacking a front page like reddit, the user's that hate each other never interact. And I'm increasingly sure that this is the only method for obtaining non-dysfunctional societies online- non-overlapping tribes of users. The same is true for offline societies. [*] https://en.wikipedia.org/wiki/Robert_D._Putnam#Diversity_and_trust_within_communities https://en.wikipedia.org/wiki/Robert_D._Putnam#Diversity_and...