While reading The Twitter this morning, someone retweeted this Tweet by Randolph Ruiz, which does a pretty good job of explaining the differences between various modes of transport in the Bay Area. Enjoy!
— Randolph Ruiz (@AAAArch) February 27, 2016
Update: Twitter Friend Erika posted this response, which is on point too:
@njudah where's the "why is it broken?" diagram
(Jumper, car drove into tunnel, software crash, poles fell off wire…)
— Erika Hall (@mulegirl) February 27, 2016