Buyers Are Wasting Money on Alt IDs While Cookies Still Persist

Brands proactively testing alternative ways to find audiences, without using third-party cookies, are also wasting a chunk of that budget on sending too many ads to a narrow slice of publisher inventory, new data from the demand-side platform (DSP) Adform reveals. When buyers test alternative identifiers, like ID5, UID2, RampID, or a whole host of...