1) The target audience for the film is professional office workers aged 13-18 years old and white males in Europe aged 23-35 years old who have just finished university.
2) Secondary audiences include university educated men looking for a mental challenge.
3) The filmmakers researched their ideas by getting feedback from people in the target age groups.
4) They aimed to appeal to the audience by including mystery codes, different lighting to denote different characters, and an earthquake effect to keep the audience engaged.