16-yr-old daughter of Slack's billionaire Co-founder Stewart Butterfield missing
Mint Butterfield, the 16-year-old daughter of billionaire and Slack Co-founder Stewart Butterfield, is missing. She is believed to be in San Francisco's Tenderloin area and was last seen late on Sunday night in Bolinas, a community on the other side of the Golden Gate Bridge. The sheriff's office said it is "working with SFPD detectives to try and locate" Mint.