It's been 15 years since Mark Zuckerberg launched Facebook. What most don't know is his older sister Randi was a part of it. In a rare interview about her brother, Randi Zuckerberg opens up about her and Mark's childhood, revealing untold stories of the chaos they created growing up in the Zuckerberg household and defends her brother as many question the impact of his creation.To learn more about how CNN protects listener privacy, visit cnn.com/privacyLearn more about your ad choices. Visit podcastchoices.com/adchoices