• by Laurie Sullivan , Staff Writer @lauriesullivan, July 23, 2013

Running a targeted display ad campaign? Mike Rich, VP at comScore, at OMMA Display in L.A. said the average in target percent is 43%. Many computers are shared, which makes it difficult to really know who you're targeting. More than 80% of traffic is still at home on a PC, and 60% are shared. Old data is a problem and not always reflects new household situations, he said.