Tumblr's office looks like every startup office ever: "Ye Olde Generic Startup"
Adam Rifkin stashed this in Startup Offices
Stashed in: Tumblr!
I do like this Slow and Steady sign, though:
Also, a great sentence:
Tumblr highlights creativity, so its designs should be simple and self-explanatory and "Put the spotlight on making people's creations look as sexy as possible."
This article was published in January 2012, when Tumblr had big plans.
If you read the article, you see how many designers and "editors" (community managers) Tumblr employs. Hint: it's a lot!