Here is the first ever clear case of someone being fired over their Facebook status updates, doesn't help that these 2 dudes had their boss in their network/list of 'friends'. My suggestion, be careful not only what you post up but WHOM you add and WHAT they can see (Privacy Settings, that's all I gotta say).
To read more on this story, click the headline below. Here's a short excerpt.
In an Oct. 22 ruling, the B.C. Labour Relations Board said West Coast Mazda
management had proper cause to fire the two detailing-shop employees on Oct. 7, for making “disrespectful, damaging and derogatory comments on Facebook.”
[...]
“My advice is be very careful about what you put on Facebook, because once it’s out there, you kind of lose control over it, and it can have consequences
on your employment.”
Read rest of story here: First clear Facebook firing in Canada occurs in Pitt Meadows