Think your boss is scary? Check out the brutal emails these tech CEOs sent their employees.

• A terse 2016 email from Meta CEO Mark Zuckerberg has gone viral.
• He told an employee they should just "figure out" how to do something, offering little help.
• Here are some other notable times tech CEOs have sent tense emails to workers.

Face it. We've all had a boss (or two) who scared us. It's a canon event, but it can still be an alarming one for those who have never dealt with it before.

Employees at Meta, for instance, may be feeling the scary-boss angst as newly released emails from a terse Mark Zuckerberg went viral this week.