The 16-year-old child of a billionaire who co-founded Slack and Flickr was reported missing by authorities in California. The Marin County Sheriff's Office on Tuesday said Mint Butterfield was ...

Butterfield, who uses they/them pronouns, is the child of two tech cofounders. Their parents, Caterina Fake and Stewart Butterfield, cofounded Flickr in 2004, and Stewart Butterfield went on to ...