On a call discussing Verizon's Q1 earnings report, CFO Francis Shammo has once again touched on the company's promised shared data plans, targeting their launch in mid-summer. He also noted that he expected this to drive growth in the wireless business, because the plan is apparently designed to allow customers to easily add "other devices" to it. You can do your best to tease more meaning out of his statement from the full transcript at Seeking Alpha,