mobile app helps people place love notes on lacta chocolate bar wrappers

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 &quotlacta messages&quot 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.