Surveys state that the Polish are not smiling. Blend-a-med, P&G toothpaste named Crest in several countries, and its agency Hypermediaisobar were at the origin of a surprising operation in Warsaw. 5 famous statues with fierce and grave characters that people are used to see in the streets have been slightly changed to offer a bright smile to the passers-by. An app. has also been created to spread out the smile into Poland and then promote the toothpaste