NEW YORK -- Born from the pandemic when people hunkered down at home, ultrafast delivery services that bring groceries within 15 minutes are expanding rapidly in big U.S. cities, shaking up the $1 trillion groceries industry.
Typical same-day delivery offered by major retailers usually required a minimum of one to two hours, but startups are fashioning a new form of consumption that allows customers to buy only what they need, when they need it.
