Smart messages for persuade people to keep clean the beach. Well done!

Update: Somebody with the name ‘b’ and datasky made it more clear what this is all about: the location is the beach of Barcelona (Barceloneta beach) and the ones that came up with the idea were the members of bcneta, a semi-governamental coorporation in charge of the trash management in the city, that was worried about the increase of waste produced by tourists.

Thanks to Marc van Gurp of Houtlust for helping.