Lunch at Twitter HQ Summary: At Twitter HQ in San Francisco: a quick look at lunchtime in the microblogging giant's lunch room - which also happens to be one of Bon Appetit's flagship cafés. By Violet Blue for Pulp Tech | September 11, 2012 -- 04:47 GMT (21:47 PDT) Follow @violetblue Previous | Next Image 13 of 25 Everything has a bird on it - but not just any bird, of course. Topic: Start-Ups Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.