With the fall Apple event only weeks away, rumors persist that Apple plans to eliminate the headphone jack in favor of headphones that use the Lightning connector. Leo says it's been tried before. The Motorola Droid Z didn't have one. Leo says that people want a headphone jack and this is going to be a test of brand loyalty. But Steve Gibson says that using the Lightning connector could pave the way for Apple to add noise cancelling earbuds to the design. It could also transmit data like measuring blood pressure while you're working out.