Rita McGrath, professor at Columbia Business School, says the need for organizations to adopt digital business models is more important than ever. Change is accelerating as startups tackle incumbents. And suddenly the coronavirus crisis is forcing the hand of many companies that have put off digital transformations. She explains how established firms can avoid bet-the- farm moves and instead take small steps and quickly target their experiments. McGrath is the coauthor of the HBR article "Discovery-Driven Digital Transformation."