Harvard Business Review LogoProduct development by Vijay Govindarajan, Kinya Seto, Tojin T. Eapen and Christine MoormanFebruary 9, 2026Jayme Burrows/StocksyPostBuy CopiesSummary. Leer en españolLer em portuguêsPostBuy CopiesIn 2003, when plumbing fixtures industry veteran Rob Buete first encountered the “walk-in tub” made by a startup called Safety Tub, he burst out laughing. A bathtub with a door? It seemed like a joke, or at best a clunky contraption for frail seniors who couldn’t step over a regular tub.PostBuy CopiesRead more on Product development or related topics Disabilities, Innovation and Competitive strategy