In 2009, glassblowing artist James McKelvey teamed up with friend and Twitter co-founder Jack Dorsey to create Square after losing a sale because he couldn’t accept American Express cards. Today, through his new company, Invisibly, the serial entrepreneur is disrupting Big Tech by returning personal data back to consumers. McKelvey joins with Washington Post columnist David Ignatius to discuss the dangers of personal data online and how his company is making a difference.