Facial Profiler was a free Facebook app created to promote Coca-Cola Zero by the advertising agency Crispin Porter + Bogusky.
[1][2] The app used face recognition technology to search a database of voluntarily participating Facebook users to match people based on appearance.
[1][2][4][3][5] Coke Zero claimed the inspiration for Facial Profiler came from the drink itself.
"[7] Facial Profiler's initial phase, launched in September 2009, involved the creation of a "face database".
[1][3] Once the database gathered a statistically significant number of faces from both genders, various age groups and multiple ethnicities – the matching process began on December 3, 2009.