The text in the background of the image appears to be wrapping around the hugging couple. It says, "If you really want to touch someone, send them a letter".
The concept is a nice optical illusion that really brings the metaphor to life. Great ad.
Implications - Marketers and ad agencies continually aim to create campaigns that jump out at a viewer. Optical illusions represent one such way to attract eyeballs without offending. In this campaign, the Australian Postal Service illustrated the touching effect a handwritten note can have by creating a "letter" that gives its recipient a hug. Companies can take advantage of this opportunity by adopting arresting visuals in their a campaigns.