Earned media means free media. However, we got a new meaning outcome.
One of the most efficient and cost-effective ways to reach a large audience is through "earned media." Earned media is positive news coverage that you actively work to get. By creating newsworthy stories or events and offering the stories to news outlets in your area, you can generate effective media coverage that targets specific audiences with your specific message. Here are some tips to maximize your potential news media coverage.
http://www.nhtsa.gov/people/outreach/safesobr/19qp/sect1/page4.html