This AT&T Billboard Advertising strangely looks like the Burning Man Logo (San Francisco)
This is a real ad for ATT. I took this photo near the Central Freeway in San Francisco.
2009 was the the first year where cell phone service (from AT&T and Verizon) is available at the Burning Man Festival. The service was only working with iPhones.
For more info about the new cell phone service at Burning Man, read: www.geeked.info/cell-phones-at-burning-man/