Cities could create a technology platform that enables subscribers to share physical things like cars (Zipcar), bikes, homes swaps for vacations right within the city, clothes, accessories (Bag Borrow Steal), tools, wifi, gathering places, kitchens for people to come cook and eat together, food pantries from local gardens, and more.
mk: We share a lawnmower with our neighbor. It's kind of silly that everyone would have one, especially where lots sizes are small.