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

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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.