Its no big deal. Eminem isn't the first to mention bitcoin in his song! A lot of movies these days are scripted with Bitcoin being mention in almost every scene. Deals done here and there requiring bitcoin payment and all of that. A lot of celebrities these days wanna promote bitcoin. The currency is struggling because of politics, otherwise its actual worth at $30,000(my opinion) should be its trading price. The world is failing to see that bitcoin/ Digital currencies can end poverty if systematically adopted and the right regulatory framework put in place. Since it doesn't require government controlling the wages of people. So its time for every celebrity to preach and drive this message around, kudos however to Eminem's