What in the world is 5G, and why do I care? An explainer

In theory, 5G—the next generation of mobile broadband—is just the natural technological progression of your wireless connection. It’s 4G, except one better.So, you might be wondering: What’s the big deal? There wasn’t such an uproar over the coming of 4G, was there? What’s the hubbub now?After yesterday’s news that AT&T (NYSE: T) will roll out mobile 5G later this year, let’s break it down with an explainer on what 5G is and why you should care