While developers churn out one hot new application after the next for Apple’s iPhone, the programs just might drive sales of the smartphone, and others such as Google’s Android. Unless, that is, the carriers continue limiting that high-speed mobile bandwidth the devices rely upon. “We all know what a great job the telcos have done delivering fixed broadband. The U.S. ranks about 12th in average broadband connection speed, and, you guessed it, first in cost,” Bill Snyder writes. “Even if those numbers aren’t exactly right, they are certainly directionally correct. And remember, delivering DSL or cable broadband relies on existing infrastructure. High-speed mobile does not.” Will the carriers kill the iPhone? Software Development