Snoke's Lack of Back Story Explained

The actor that played Snoke, Andy Serkis, spoke to EW about the lack of a back story for his character in the most recent Star Wars movies and the backlash that became of it. He states that both JJ Abrams and Ryan Johnson had discussed Snoke's history but they decided to keep it all under wraps to make room for it to be addressed in either a prequel or an upcoming film.