| ByBrands like Ocean Spray and Royal Caribbean International have video ads up on Pinterest. But as of April, metrics the platform supplies to advertisers to measure video ad impressions were denied a stamp-of-approval from the Media Rating Council, the industry body relied on for decades to audit the processes employed by media firms for advertising measurement.The MRC denied accreditation for Pinterest’s self-provided video metrics, including video ad impressions, viewable video ad impressions and related viewability metrics as well as for video clicks in mobile in-application...…| ByBrands like Ocean Spray and Royal Caribbean International have video ads up on Pinterest. But as of April, metrics the platform supplies to advertisers to measure video ad impressions were denied a stamp-of-approval from the Media Rating Council, the industry body relied on for decades to audit the processes employed by media firms for advertising measurement.The MRC denied accreditation for Pinterest’s self-provided video metrics, including video ad impressions, viewable video ad impressions and related viewability metrics as well as for video clicks in mobile in-application...WW…