Matt Winkelmeyer/Getty Images for Wired, Marin County Sheriff's Office, Andrew Toth/Getty Images for Vanity Fair
- Mint Butterfield, the teen child of two tech founders, has gone missing in California.
- Butterfield, 16, may have run away to San Francisco's Tenderloin district.
- Authorities are appealing for help finding Butterfield.
Mint Butterfield, the teen child of tech founders who set up Slack and Flickr, went missing over the weekend.
The 16-year-old was last seen Sunday evening in Bolinas, California, north of San Francisco.
Since then, law enforcement put out several alerts for Butterfield, saying the teen's safety is at risk.