WHY WE DO WHAT WE DO OVERLAY IN-FEED MASTHEAD ENDCAP WunderKIND Ad Formats Once we’ve identified the Wunderkind’s custom placements are available in a multitude of formats and are designed to fit both our advertiser and publishing partners’ right time to show an ad, we needs. Our placements range from large high-impact display to standard IAB display. All of our formats are available on both desktop and mobile, then deploy the right format. and our large format ads come with free creative services to ensure they make a big impact.