Telstra CIO John McInerney couldn't escape questions about the billing system migration. He spoke in broad terms on the IT architecture underpinning Next G and Telstra in broad terms. The message? That Next G really gave him a lot of options for deploying cool bits of IT out to workers. Michael Rocca was only too happy with the apps he had at his fingertips courtesy of McInerney's team and the Next G network.