Domain: entertainment (Media and Hobby Curation)
Problem: This Netflix Morse code billboard is a classic marketing case study. Please decode the content and identify the series. While many public sources erroneously cite the "trailer release date" as the campaign's starting point, I require more precise data: please determine the exact date the show was first leaked or teased on social media, and calculate how many days prior to the premiere this marketing campaign was initiated.
Answer: 78