Portless iPhone, Musk Mars update, Alexa's AR smart homes

Word has it that Amazon is working on a new smart home gadget with augmented reality features. Here's how this will change your home. I'll also tell you about a smart shopping mirror that guesses your size so you don't have to change. Plus, BMW and Mercedes are releasing new electric vehicles, Apple could come out with a portless iPhone soon and Musk reveals what life on Mars could look like. Learn more about your ad choices. Visit megaphone.fm/adchoices