CNBC tested it and verified that it's a real bug. I tried placing a video call to my editor from my iPhone using Apple's FaceTime app. Then, before he picked up, I used the menu option to add somebody else to the call and, as 9to5Mac's directions state, I added myself to the call. Suddenly, I could hear my editor, even though he never picked up. We continued having a conversation while his phone only gave him the option to answer. There was no indication that the call had already gone through. The Verge reports that, if the person you're...