For yet another example of the abstracts of the digital world being reproduced for real life, you need look no further than Colle + McVoy's latest marketing stunt for their client Caribou Coffee. To introduce of a new coffee blend, the acclaimed advertising agency created a five-story Pinterest board in the Mall of America in Minnesota. Passersby can bring the board to life with their own posts from the phone: By tagging images with #caribouinspires, the picture will appear on one of the mega screens incorporated in the board.

Massive installations with a principal participatory component have been popping up all over recently. We've written about In The Air, Tonight, for instance, which also utilises social media, albeit for slightly more benevolent purposes.