Microsoft kills free Prebid Cache publishers rely on for video ads: Microsoft deprecates public Prebid Cache on April 30, 2026, affecting 60% of configured endpoints as publishers scramble for alternatives to maintain video delivery. https://ppc.land/microsoft-kills-free-prebid-cache-publishers-rely-on-for-video-ads/ #Microsoft #PrebidCache #VideoAds #DigitalAdvertising #AdTech