[pmlnr]

> in part 2 we talked about improving performance by pushing data directly to the client rather than waiting for the client to request the data

I firmly believe this should never, ever be done. This is the very reason I swapped to linux from windows xp many years ago: there was no way to tell the computer not to do anything unless I ask for it.

[mrsharpoblunto]

Well you're loading the main feed page of instagram, you expect your feed photos to show right? We don't push random junk - its the content that the page needs to render something useful

[PavlovsCat]

But when users get empowered they get ideas, and they lose the appetite for slop, and then the sky falls.