Facebook's founder Mark Zuckerberg who is an Eminem fan used the rapper's song in an advert to launch Facebook home, an android app and the rapper is not happy about it, saying they used his song without his permission and should pay the sum of $150,000 (£100,000). There's been exchange of words between lawyers from both sides. How it turns out... We don't know.
Source:http://www.naijawhistle.com/eminem-sues-facebook-for-copyright-infringement/