The latest QR Code campaign for Unilever’s Clear Shampoo in Thailand has resulted in a viral explosion of over 10 million hits. The campaign objective was to raise awareness for healthy scalps, while promoting Unilever’s latest hair care product. A local agency, Lowe Thailand, created the campaign where a “Guerilla Troop,” each member with a QR Code shaved into the back of their heads, was deployed onto the streets of Bangkok…