Lack of pop CS ==> s/w consumers have no calibration for true complexity. App UI complexity range is low. Can't tell paper planes/747s apart
.@vgr exactly right, almost no1 understands the true complexity/cost of the Twitter Follow metaphor/timeline: http://highscalability.com/blog/2014/9/8/how-twitter-uses-redis-to-scale-105tb-ram-39mm-qps-10000-ins.html … etc.
