"In October, Tesla Superchargers delivered 2 GWh of energy to Model S. All free."

Tweets Tesla Motors, but along with that Tweet came this nifty infographic, which shows just how much growth the Supercharger network has experienced in both number of sites and usage from June 2014 compared to October 2014.

In most measures, the Supercharger network doubled in that short timeframe and, most importantly, the network is still growing at a rapid rate.