The world now knows a little more about Sheryl Sandberg, Facebook’s Chief Operating Officer. She runs in Nike shoes, wears Covergirl mascara and her kids eat Cheerios.

The much-anticipated series finale of ABC’s LOST on May 23, which dominated blogosphere chatter and was the most-watched primetime program of the night with an average 13.6 million viewers, also delivered a highly engaging environment for its advertisers.

How well a TV ad does can often rely on “Earned Media” — the volume and value of the online conversations that happen before an after it airs.

In demographic analysis of Super Bowl ads, Nielsen uncovers which brands performed best with male and female audiences.

Facebook and The Nielsen Company today announced that Nielsen BrandLift™, which uses the Facebook platform to measure the effectiveness of online brand advertising, is now available in the UK.

In light of data that measures the relationship between click through rates and ROI, will the online ad world move beyond its longtime fascination with the click through?

Who is viewing your ad online? A basic question often left unanswered. Tracking impressions alone leaves out a critical element in gauging advertising effectiveness—audience delivery.