AT&T managed to keep its network from crashing and burning at SxSW this year by wheeling in three COWs, or cell towers on wheels. Rocketboom went inside one to check it out. [Rocketboom]
https://gizmodo.com/heres-how-at-t-served-up-great-3g-data-to-sxsw-geeks-n-5493880
