This presentation has been around for a bit and points to actual research: http://www.lostgarden.com/2008/09/rules-of-productivity-presentation.html http://www.

This presentation has been around for a bit and points to actual research: http://www.lostgarden.com/2008/09/rules-of-productivity-presentation.html http://www.lostgarden.com/2008/09/rules-of-productivity-pres...