Four Directions, is using the smartphones of café patrons to help spread the word about its digital offerings. The ebook store called Four Directions has just announced the launch of a unique advertising campaign that it has implemented, using QR codes to encourage mobile device owners to learn more about what they have to offer. The quick response barcodes were created and put into place by a team at Grey Group. Grey Group is an advertising based in Hong Kong. It came up with the interesting way of promoting the…
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