Here’s an interesting article from the New York Times showing that the future of our workforce (The Millennial generation) views sharing passwords as a sign of affection. Here’s to hoping that changes as they grow up, both for their sake and the companies they work for.
http://www.nytimes.com/2012/01/18/us/teenagers-sharing-passwords-as-show-of-affection.html
On a similar note, this is a nice infographic with tips on creating and keeping strong passwords, and some interesting password statistics.
http://cache.gawkerassets.com/assets/images/17/2012/01/09c4f2162f6a3f9cd9f55d091f48b615.jpg