How 50 shades of grey influenced the BDSM culture?

The influence of the popular young adult novel Fifity Shades Of Grey has been very intense and dividing amongst the BDSM community. The Twilight fanfiction spin-off deals with Christian Grey, a charismatic, handsome billionaire, who after getting the hots for the main character, proceeds to have a very BDSM-heavy relationship with her.