We see enough corporate logos in our lives that it's easy to take them for granted, but we can see little surprises from time to time that remind us how much work goes into them.
Not only is that because the masters of design have a way of making their jobs look easy, but because it's practically their job to do so. After all, the most recognizable logos tend to keep things fairly simple.
That said, the people who design them can sometimes slip in clever messages and hidden features that show us just how creative they really are. And while there are many potential reasons why a designer may want to do this, these little Easter eggs are usually slipped in with the interest of creating a subtle association with the brand.
And if it weren't for one perceptive little boy, one clever detail in the packaging of Toblerones would have been lost on so many of us.