MONICA: The Face of Âé¶¹´«Ã½Ó³»'s ROI Brain & Case Study Âé¶¹´«Ã½Ó³» Published July 20, 2017 Meet the face of the Âé¶¹´«Ã½Ó³» ROI BrainTM, MONICA. Watch a live case study of how MONICA helped Warner Brothers optimize their media spend for the movie Creed.