Welcome to another installment of our regular series that takes a look inside some of the biggest tech companies by way of employees's and visitors's Instagram shots. We already brought you LinkedIn and Facebook.
Today we head over to MidMarket in San Francisco to see what the kids at Twitter are doing.
Behold their iconic signifier.
Yes, they too have a sun-dabbled roof deck...
...perfect for lounging.
The bird can be found everywhere.
We especially love their collection of art deco-era mailboxes.
The bar. Of course.
And because no tech enterprise is complete without some sort of frat-boy element, here's some beer pong about to go down.