Audi Hidden Message Billboard 11 March 2014Chris Leave a Comment Clever yet simple billboard ad from Audi. By overlaying two headline they manipulated the viewers eyes focus. From far you could only focus the blurred headline, from close you would see a hidden message.Ad agency: thjnk AG, Hamburg Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Reddit (Opens in new window)