Exactly. It's remarkable that people on HackerNews, of all places, output drivel like "it's just a 140-character messaging app". Twitter probably has dozens of

Exactly. It's remarkable that people on HackerNews, of all places, output drivel like "it's just a 140-character messaging app". Twitter probably has dozens of office-facing apps to maintain before you even get to the massively-scaled user-facing system.