Via Google Blog

We’re also bringing some of the most requested advertiser features from traditional reservations to Programmatic Guaranteed. First, we’ve introduced makegoods, so if a campaign doesn’t go according to plans, publishers will be able to offer extra impressions to make up for delivery issues. Second, in addition to cost-per-thousand impression (CPM) and cost-per day (CPD) sponsorships, you’ll be able to set up the sponsorship by day part or percent of share of voice.

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