It’s a familiar sight in airports, hospitals and public restrooms around the world: An array of smiley-face buttons—from the red and angry to the green and happy—that gently ask a version of “How ...

One year after launch, Amazon’s Dash Buttons continue to bewilder. The palm-sized, battery-powered buttons, announced last year just before April Fool’s Day, allow users to order goods from Amazon ...

It’s 2AM and you’re changing your baby when you realize you’ve just used up your last diaper. Or you go to reach under your sink to grab another roll of toilet paper only to discover you’ve forgotten ...