 In 2019, advertising platform Criteo conducted a survey of 1,000 U.S. consumers which showed baby boomers are less likely than millennials to purchase groceries online.Of the baby boomers surveyed, 30 percent said they used some form of online grocery delivery service.In the 1985 study of U.S. generational cohorts by Schuman and Scott, a broad sample of adults was asked, "What world events over the past 50 years were especially important to them?"