Swelbar Analysis + ResearchCommodity Industries Are Comprised of Ubiquitous Product OfferingsAirlines must know what customers they want and those they do not want.William SwelbarMar 10, 2026∙ PaidShareFlight 031120: Departing Ubiquity Destined for Segmentation?2.04MB ∙ PDF fileDownloadA presentation prepared in April 2021 that has proven to be correct. And it acknowledges the late great thinker, Mike Levine, too.Download This post is for subscribers in the Friends of Swelbar planUpgrade to Friends of SwelbarAlready in the Friends of Swelbar plan? Sign inPreviousNext