Ryan Hait-Campbell says his San Francisco company's invention is really about jobs. Deaf people like himself, explains the MotionSavvy CEO, are too often shunted into positions that don't require talking to anyone--washing dishes, fishing or other solitary vocations that often have low wages, little opportunity for advancement and no need for an employer to hire an interpreter.
A good technology demonstration so wows you with what the product can do that you might forget to ask about what it can't. Case in point: Google's self-driving car.
Self-driving vehicles will make the driver redundant, but long before that, smarter cars may leave the driver thinking about other things. Ford is already studying that problem, anticipating an evolution toward autonomous cars that will take a lot longer than projects by the likes of Google may suggest.