I'm surprised the article doesn't take into consideration the fact that there's a month-long wait for the iPhone 6 and 6+ upgrade. I'm willing to bet a decent

I'm surprised the article doesn't take into consideration the fact that there's a month-long wait for the iPhone 6 and 6+ upgrade. I'm willing to bet a decent chunk of those with older iPhones are waiting for their upgrades and not bothering with the update.