Interesting that Facebook succeeded at a design that Twitter claimed failed miserably for them (read fan-out instead of write fan out: http://highscalability.co

Interesting that Facebook succeeded at a design that Twitter claimed failed miserably for them (read fan-out instead of write fan out: http://highscalability.com/blog/2013/7/8/the-architecture-twitter-uses-to-deal-with-150m-active-users.html http://highscalability.com/blog/2013/7/8/the-architecture-tw...).