This article by  ASCD (formerly the Association for Supervision and Curriculum Development) is an educational leadership organization dedicated to advancing best practices and policies for the success of each learner.  An interesting quote within the article clarifies the difference between personal and personalized learning which may be crucial in understanding personal learning environments.  "Autonomy is what distinguishes between personal learning, which we do for ourselves, and personalized learning, which is done for us," Downes (2011) tweeted last fall.