'

Nielsen on pop-ups

Pop-ups' share of the online media pie is more than double what it was a year ago. Nielsen//NetRatings found they accounted for 7.

Pop-ups' share of the online media pie is more than double what it was a year ago. Nielsen//NetRatings found they accounted for 7.4% of all online ad impressions in Q3 2003, up from 3.0% for the same period last year.