Through the depths of the pandemic, Napa Valley’s St. Supéry Winery kept its wine club and other customers engaged with a regular stream of high-quality digital content that included a wealth of recipes and cooking demonstrations, virtual tastings and other videos about the estate. That digital outreach helped send the winery’s e-commerce, telesales and club shipments soaring by more than 200 percent compared to pre-pandemic levels. After considering what was the most effec...