Amid a pandemic might sound like the wrong time to publish a dining guide, but Holly Ruth Finigan has a knack for knowing when to send it. In early spring on the island of Nantucket, Mass., the blACKbook founder watched the restaurant industry change overnight as the coronavirus shut down businesses and forced owners to adapt to new modes of operation. One popular Main Street restaurant, or, The Whale, pivoted away from breakfast, lunch, and dinner to serve dinner only, plus weekend brunch. Unfortunately, or, The Whale’s advertisement in an annual summer catalog highlighted homespun fare served all day information that was outdated as soon as it was printed in April.