During Berkshire Hathaway’s 2019 annual meeting in Omaha, Nebraska, billionaires Bill Gates and Warren Buffett took a break from their busy schedules and visited Dairy Queen for lunch. Buffett, a long-time customer and owner of Dairy Queen through Berkshire Hathaway’s acquisition in 1998, wanted to experience the restaurant’s operations firsthand. One thing that caught Gates and Buffett's attention was how Dairy Queen serves its popular menu item the Blizzard. Each Blizzard is served upside down