The gap between what advertisers and publishers measure and what matters to the people they're trying to reach. BACKGROUND If you have time to do some further reading on the tension we're trying to unpack on May 19th, or just want to get your creative ideas flowing, here are three good starting points that won't take more than 10 minutes to read: What You Think You Know About the Web Is Wrong [Tony Haile, Chartbeat] http://time.com/12933/what-you-think-you-know-about-the-web-is-wrong/ What Uniques And Pageviews Leave Out (And Why We’re Measuring Attention Minutes Instead) [Upworthy] http://blog.upworthy.com/post/75795679502/what-uniques-and-pageviews-leave-out-and-why-were In defense of ‘vanity’ metrics: why page views are still important [Raju Narisetti, NewsCorp] http://www.poynter.org/latest-news/top-stories/244136/in-defense-of-vanity-metrics-why-page-views-are-still-important/