Ad Tech What Exactly Happens During a Supply Chain Optimization Audit? IPG's Kinesso spent months putting SSPs through the wringer IPG's Kinesso began sending out RFIs to SSPs late last year. Getty Images By Andrew Blustein June 15, 2020 Key Insights: The coronavirus pandemic didn't kickstart SPO, but it is acting as an accelerant. Marketers set certain requirements for their preferred SSPs, like guaranteeing discounts based on volume or providing log-level data. Supply-path optimization, or SPO, is not a new concept. Andrew Blustein @andrewblustein andrew.blustein@adweek.com Andrew Blustein is a programmatic reporter at Adweek. Recommended articles