@reneestephen @nobodyzhome @hu_logic @rodhilton yeah it's fairly similar to a design question I got at my Google interview.

Any engineer who works on or just understands robust distributed systems should be able to *sketch out* what Twitter's infrastructure would look like.

(I'm primarily an application/library/tools person so for me it's actually a kind of spicy problem. I still answered well enough to get the job.)