For more than a decade the smartphone has been the indispensable center of personal computing—and now the world’s largest tech companies are openly designing a future where that center no longer belongs to a single glass slab, but to a distributed, AI‑driven fabric of wearables, spatial computers, smart glasses, and even brain interfaces. Background
Smartphones matured into a near‑ubiquitous consumer platform by the mid‑2010s: they consolidated messaging, media, navigation, payments, health...