Here's a fun registry of derby names that lets you see if your roller derby name is unique: http://t.co/ZU0TAxNN4O

— anildash (@anildash) December 6, 2013

Here's a charming Super Mario-style map of the NYC subway (prints available): [http://t.co/DFPFDbZaNh](http://t.co/DFPFDbZaNh) But our princess is in another borough!

— anildash (@anildash) December 6, 2013

Here's [@KillerMikeGTO](https://twitter.com/killermikegto?ref_src=twsrc%5Etfw) on how to write a rap song, and how it is *not* coffeehouse poetry: [http://t.co/SqSN7Y3VfJ](http://t.co/SqSN7Y3VfJ)

— anildash (@anildash) December 6, 2013

Here are comments from Facebook about their changes to the (opaque) algorithm that decides what to show in your feed: [http://t.co/brYDgtEvF2](http://t.co/brYDgtEvF2)

— anildash (@anildash) December 6, 2013

Here's a look at how the Tohoku earthquake actually changed Japan's gravity, as detected from space: [http://t.co/u2S3dEtI0E](http://t.co/u2S3dEtI0E)

— anildash (@anildash) December 6, 2013