The next iPhone needs to steal this Apple Watch feature

For the longest time, the entire smartphone industry appeared to be marching in lockstep towards a button-free tomorrow, primarily spearheaded by Apple. In 2007, the original iPhone famously nixed BlackBerry-era staples like the physical keyboard, the trackpad, the convenience key, and the dedicated call and hang up keys, and it didn’t take long for Android-based competitors to quickly follow suit.