Verizon today answered criticism from AT&T of its LTE-based 4G rollout. Carrier spokesman Howard Waterman rebuffed claims by AT&T CTO John Donovan and spokespeople that the Verizon network would provide a "jarring speed degradation" on 3G by pointing to the quality of its service. It didn't promise speed upgrades but said it had spent $50 billion over the past decade to keep up its performance.
