Autonomous micro-vehicles that navigate urban labyrinths like tightrope walkers. Swarm intelligence routing through spaces delivery trucks can't reach.
You're watching from your 4th-floor apartment as a dinner-plate-sized device smoothly glides down your narrow alleyway, balances on a curb, climbs your front steps carrying two grocery bags, and gently deposits them at your door—all while you see a fog of digital mist on your phone showing 47 other devices in your neighborhood coordinating their routes around each other like a living network.