Good news! That work project is almost complete, and you find yourself with a few minutes to kill. Heck, you’ve earned it. So, what’s the first thing you do? Have a quick look at Twitter? Read the latest posts from your friends on Facebook? Browse all that goodness on Pinterest?

Sure you do. Nothing wrong with that. But isn’t it amazing how often that “quick look” escalates into something a lot more substantial… and disruptive?

It’s official: social media is addictive. And if you’re not too careful, it can seriously eat into your productivity. And it isn’t just employees (and their bosses) who are feeling the pinch – one study suggested that the GPA of college students who regularly use Facebook is a full point lower than their peers who can resist the urge to log on.