Microsoft Bing's shopping carousel results have a "buy now" button that now links directly to the checkout page of the ...

“Clicking the Checkout button takes me to a loop for recommended items,” wrote one unhappy consumer. “Amazon, you have our billions, get [your] s–t together.” Several Down Detector ...

While mobile shoppers are embracing one-click checkout buttons, retailers are likely to integrate only several out of a quickly growing number of options, suggesting not all will survive.