Advertising media is often bought and evaluated through impressions, reach and increasingly automated platforms. But visibility, attention and commercial effect are not interchangeable. Mike Follett uses eye-tracking evidence to examine whether people actually look at advertisements and how creative quality changes the meaning of a media exposure. Orlando Wood considers the role of expressive advertising and long-term effects alongside immediate response. Ranga Somanathan questions what programmatic out-of-home trading adds to a physical medium and which claims measurement can support. Toby Southgate brings the economics of social content, creators and communities into the discussion. Samit Malkani offers the perspective of a marketer attempting to connect storytelling with better evidence. This hub concerns media strategy, attention, measurement and accountability—not simply platforms or new formats. It invites readers to interrogate what a metric measures before treating it as proof of marketing effectiveness.