I ran a half marathon with an AI trainer and was not impressed

I did something very dumb last weekend: I decided to challenge the limits of artificial intelligence and my own body on a 13.1-mile course to glory. 

My body held up fine — but the AI couldn't quite keep the pace, serving as yet another reminder that current AI tech still hasn't caught up to the hype. 

I had been testing out Vi, a set of $249 Bluetooth running headphones with its own built-in AI assistant and biometric tracking features. The headphones are comfortable on long runs with a neck harness design and in-ear buds for great sound — but the AI assistant is the main attraction here. It's like Siri and Alexa with a fitness-focused twist: Vi is designed to train its users to be mile-churning super runners.  Read more...