DETROIT - Eminem's song publisher is suing Facebook and an ad agency, saying they copied music from one of the rapper's songs.

Eight Mile Style filed a federal lawsuit in Detroit on Monday alleging that a 30-second Facebook ad broadcast online last month copied music from Eminem's 2000 song "Under the Influence."

The Detroit Free Press (http://on.freep.com/10LFB2N ) reports that the ad was featured in a webcast by Facebook founder Mark Zuckerberg to announce Facebook Home, an interface for Android phones.

SAN FRANCISCO - Yahoo is buying online blogging forum Tumblr for $1.1 billion as CEO Marissa Mayer tries to rejuvenate an Internet icon that had fallen behind the times.

The deal announced Monday is Mayer's boldest move since she left Google 10 months ago to lead Yahoo's latest comeback attempt. It marks Yahoo's most expensive acquisition since the Sunnyvale, California, company bought online search engine Overture a decade ago for $1.3 billion in cash and stock.

SYDNEY - An Australian politician says he has learned a valuable lesson in social networking after he "liked" a Facebook photo without realizing that it showed a teenage prankster exposing himself.

Western Australia Minister for Education Peter Collier said he clicked the "like" button under what he thought was an innocent photo of the then-16-year-old in late 2011. Collier apologized Thursday and said he had no idea that the teen, who was otherwise fully clothed and posing alongside an older man, was playing a prank commonly known as "sneaky nuts."