Someone did try to make a paid for twitter [1], it apparently didn't work [1] http://www.slate.com/articles/technology/technology/2012/08/app_net_is_a_new_soci

Someone did try to make a paid for twitter [1], it apparently didn't work [1] http://www.slate.com/articles/technology/technology/2012/08/app_net_is_a_new_social_network_that_costs_50_a_year_it_could_be_the_future_of_the_web_.html http://www.slate.com/articles/technology/technology/2012/08/...