What, exactly, is okay to post on social media about work, and what will get you fired?

Employee Rights and Responsibilities

The day she started her new job at a daycare center, Kaitlin Wells posted on social media, “I just really hate being around kids all day.” Twenty-seven hours later, she was unemployed again.

Laws protect an employee from being fired for voicing their political beliefs, assembling with other employees to protest or strike, volunteering at civic organizations or smoking and drinking outside of working hours. But social media adds a whole new dimension to employee rights and responsibilities. What, exactly, is okay to post on social media about work, and what will get you fired?