Can you tell the difference between a $1,000 smartphone and a $300 one?

When you tape over the logo, most smartphones look exactly the same: black slabs made of metal, plastic and glass. When you turn them on and test their performance, it doesn’t always get easier to tell the super luxe from the nearly bricked. Today, we take a blind test. Plus: The payment industry’s merger frenzy and Gatorade’s personalized, data-driven future.