"Secret meeting? Secret meeting?" prompted a graying engineer as he waved people clad in hoodies, plaid collars and side-mullets into an office building in the SoMa district of San Francisco Friday night.
Not that the meeting was strictly secret — it had been advertised openly on Twitter.
This was the second gathering of Tech Solidarity, a group of tech employees concerned about President-elect Donald Trump and what his administration may require of Silicon Valley companies, like creating a Muslim registry.
The rules say all attendees are granted anonymity unless willing to be outed, which made Facebook Chief Security Officer Alex Stamos's appearance all the more significant. He declined to comment, but did give Recode permission to print his name.