The lesson: If you want to criticize your employer, you'd be wise to not do that on a social media site.
One of the men who races (or shall I say used to race, you might say you can stick a fork in him because he's done) as a pierogi at Pittsburgh Pirates' baseball games can tell you all about that.
This is the latest example of people believing that Facebook, Twitter or MySpace somehow allows for free speech without repercussion. There has never been such provisions in this country. Why would it start now?