According to marketingweek.com a direct marketing approach is on its way back. Direct marketing always being pushed to the side by the latest online and mobile marketing innovations is now encourage to meet halfway with technology in order to deliver a more personalised message to the consumer. (will be noting that down for my own project.)
Augmented Reality is the new thing that involves a piece of paper with black and white squares on it that when viewed through a webcam and mobile camera-phones the interactive brands experience begins....for the ultimate 3D experience.
Ford recently used this method for their FIND IT campaign, the whole thing was an exciting treasure hunt.
Ford Campaign: