In its continued quest to attract a younger demographic than those looking for Murder, She Wrote reruns, CBS Corp. has gobbled up one of the fastest-growing companies in digital music.

Gobbled up for $280M.

The media giant said today that it has acquired Last.fm, the music social networking service that has been racking up users and deals with major labels and digital distributors, for $280 million.

In a statement, CBS said Last.fm had more than 15 million active users in more than 200 countries and would fit well with its plans to attract younger viewers and transform it from a content company to an audience company.

"Last.fm is one of the most well established, fastest growing online community networks out there," CBS CEO Leslie Moonves said in a statement. "They have a great management team that understands how to build an engaged and passionate community where users learn, discover and share music globally. Their demographics also play perfectly to CBS's goal to attract younger viewers and listeners across our businesses."

The Last.fm team will continue to run the online service under the terms of the deal and work with CBS to apply their community-building and technology expertise to extend CBS businesses online, CBS said.

Last.fm combines facets of music recommendation engines with social networking tools and has been growing in popularity at a fast clip for the past year. The company, which is based in London, has recently inked licensing deals with majors Warner Music Group and EMI Group to play their music.