“Most CEOs now spray the word ‘innovation’ as if it were an air freshener,” says Dennis Berman in the Wall Street Journal, “A little spritz can’t hurt.” A prime example, notes Berman, is what Kellogg’s CEO John Bryant described as one of pany’s most important “innovations”: a peanut butter Pop-Tart.

Most of us would probably agree that a new flavor of breakfast pastry isn’t as innovative as, say, the iPhone. But how do we know? What exactly is innovation?

As David Brier explains, innovation is about “seeing and connecting the dots.”