"Got a minute?" costs the U.S. economy about $588 billion a year

Got that stat in the headline from here. Basically the idea speaks to the power (for evil) of interruption, which is common in most workplace cultures, I'd auger. "Hey, got a minute?" At my current job, I actually saw one of those go down on Wednesday -- dude comes up to my floor and hits an office of a senior manager. Quick knock. "Hey, got a minute?" …