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It may be a bit touchy to talk about politics over the Christmas dinner table, but when it also coincides with such a turbulent political landscape, things might get ugly.

Luckily, the advertising agency Shackleton Madrid has had a brilliant idea: to create the application Silent Night. And THE LION was the digital agency selected to make it possible.

The application boasts a voice recognition system that detects the most conflictive terms: Donald Trump, Hilary, taxes or corruption... and suggests alternative topics.

A pleasure to work for peace.

Developed with:

  • ObjectiveC.
  • Artificial neural network for word recognition.
  • Native to Android and iOS.
  • In Spanish and English.

The results speak for themselves:

  • Over 65,000 downloads in 4 days.
  • No. 1 in the App Store.
  • First search trend over the Christmas period.
  • Featured in over 100 national and international media outlets.


  • Bronze at the Cdec awards.