Nerd, or Geek?

Vital questions asked at work this wintery Thursday afternoon... :-D

The definition:
http://www.bbc.co.uk/dna/h2g2/A2754399

How to tell the difference:
http://www.wikihow.com/Tell-the-Difference-between-Nerds-and-Geeks
(...because "One often has heard the term Nerd and Geek. Often these terms are used interchangeably. This is not acceptable in polite society. To avoid further offense here are some foolproof ways to tell one from the other."...)

The test:
http://www.okcupid.com/tests/take?testid=9935030990046738815