For those of you who attended the South By Southwest Music Festival last year, and happened to use AT&T as your cell carrier, you most likely experienced some truly horribly phone service. With the explosion of iPhone users during SXSW, AT&T’s network was completely overwhelmed, turning our phones into nothing more than fancy paperweights. Fortunately, AT&T has prepared for the massive increase in cell phone usage for this year’s festival. Check out this article over at GigaOM to read more.