Traditionally in Greece, lovers used to exchange love messages written with pen on the Lacta chocolate's paper wrapper. This trend had been celebrated in TV commercials for decades. A recent change to a plastic wrapper, meant people couldn't use Lacta as a medium for love messages any more.Enter the Lacta Mobile App, that allows people to compose messages on their smartphones and then send them to their loved ones, by selecting from their Facebook friends.The recipient gets notified to download the app in order to see the "hidden" message displayed on a Lacta chocolate through Augmented Reality, thus recreating the tradition in the modern age, while also driving sales of chocolates!The application became the number 1 Lifestyle App in the Greek App Store, and remained in the top 20 for 6 weeks.