It’s 2 p.m. and you sit in front of your computer with a fresh cup of coffee. Maybe the caffeine will help you push through the afternoon slump. You open up the document you’re reviewing and your phone buzzes. You glance at the screen—it’s a notification from your weather app. You turn back to your computer. But then you think, “I wonder if it’s supposed to rain this weekend?” You open the weather app and look at the upcoming forecast. No rain. Maybe you’ll grill some burgers on Saturday...