At its annual fall event, Apple unveiled the iPhone Duo — its first foldable smartphone — stepping into a category Samsung has cultivated since 2019. The move is less a sudden leap than a long, deliberate observation: Apple watching, learning, and choosing its moment to redefine what the mass market considers desirable. Whether this marks a genuine turning point in how humans carry and use their most personal devices, or simply elevates a niche into a slightly larger niche, is a question only the market can answer.