Perhaps you’ve seen this ad make a comeback in the rotation of some of your favorite shows lately: [Youtube=http://www.youtube.com/watch?v=HC5RttEUyK0] It’s a catchy commercial, but what’s special is that it originally took the screen in Spring 2005. Now, three years later, it’s made a comeback. So, what’s that tell us? Is Diet Coke lacking the creative [...]