Millennial Media, 33Across Go All In On 100 Percent Viewability

by Ginny Marvin
As the digital advertising industry takes a measured approach to adopting viewability as the standard metric for buying and selling digital ad impressions, two firms announced Tuesday, that they will guarantee that 100 percent of ad impressions are seen. Millennial Media is making the guarantee on in-app ads while 33Across is extending viewability guarantees across desktop, t ...Read the full article