The film Hidden Figures, released late last year, follows three under-recognized female mathematicians who helped NASA launch humanity into space in the 1960s. So in order to promote it, IBM and The New York Times Company are putting literally hidden figures all around the US, waiting to be discovered with your phone. Outthink Hidden, as the project is called, is an augmented reality app that’s supposed to help people learn about marginalized doctors, engineers, and scientists. It launched at CES, and we got to check it out.