Amazon is testing ultra-fast delivery of groceries and essential items in two U.S. cities.By completing this form, you agree to receive marketing communications from PYMNTS and to the sharing of your information with our sponsor, if applicable, in accordance with our Privacy Policy and Terms and Conditions .Complete the form to unlock this article and enjoy unlimited free access to all PYMNTS content — no additional logins required.The program, offering deliveries within around 30 minutes or less, is being ...