a popular chocolate brand associates its candies with love, using content marketing and a unique mobile execution. most recently, leading up to valentine&rsquos day in year 2015, the brand launched a lacta messages qr code campaign. this qr code campaign allowed people to embed messages of love on the wrappers of chocolate bars &mdash secret messages that were revealed when another person scanned the code. by introducing "lacta messages" unique qr codes were printed on every lacta pack, that people could scan with their mobile phone and hide a message on every chocolate they gave to someone they liked.
