In 2006, Markos Moulitsas, a Prominent Liberal Blogger and Founder

In 2006, Markos Moulitsas, a prominent liberal blogger and founder of Daily Kos, endorsed Jon Tester, at the time a state senator, for the U.S. Senate election in Montana. Moulitsas focused extensive energy on Tester in the primary and general election, which helped his national profile and contributed to Tester's eventual victory. In terms of elections (and in terms of Jon Tester) , what term best describes Moulitsas's actions?

A) free media
B) paid media
C) private media
D) online media
E) public media