When Does It Actually Make Sense to Put AI Into Products?

Over the past few years, the tech industry has rushed to plug a new microchip into every device on the assumption that if you can add AI, you should. Smart-vision toothbrushes, mood-reading household robots, and a host of physical products are invading consumers’ daily lives, reliant on artificial intelligence to learn, predict, and adjust our behavior.

Summary drawn from IEEE Spectrum's own description of the story.