I really love these behind-the-scenes videos. Always interesting to see how others organisations operate at scale.

Here's how frozen pizzas are made (worth watching just for the pepperoni slicer): http://news.bbc.co.uk/2/hi/business/7733602.stm

...and here's how ink is made: http://www.youtube.com/watch?v=Fypi6dAJB8E