Friday drinks are where Brian from Finance who is endlessly exasperated by your inability to understand a simple spreadsheet becomes Brian who skydives and once saw Madonna drinking a pint in a London pub.  They allow us to remember our common humanity in the face of spreadsheet-based persecution and other workplace quirks and foibles. (Incidentally, names have been changed to protect the innocent, and also because in my mind everyone who works in Finance is called Brian, even the ladies.)

Workplace Drinks: Good or Bad Idea