Will augmented reality make lying obsolete?

The most underappreciated application for the combination of augmented reality (A.R.) and artificial intelligence (A.I.) is persistent lie detection. Smartphones and smart glasses will soon support apps that show you in real time whether the person you're talking to is telling the truth or lying. Imagine how that will affect business meetings, sales presentations, job interviews and department status updates. Some 35 years ago, late-night talk show host Johnny Carson imagined what it would be like if politicians were hooked up to lie detectors.) Soon, you won't have to imagine it.