==== books ====

  * excerpts http://exploreit.net/improvethought/flow1.htm)
  * Flow: The Psychology of Optimal Experience,' (Harper & Row, 1990)
  * 'Finding Flow: The Psychology of Engagement with Everyday Life' (Basic Books, 1997).
  * etc+


==== 'flow' summary ====
  * The activity must present just the right amount of challenge: If the activity is too hard, we become frustrated; if too easy, boredom ensues.
  * There must be clear and unambiguous goals in mind.
  * There needs to be clear-cut and immediate feedback about the activity's success.
  * Finally, our focus during the activity must center on the present ñ the activity itself.



==== interviews /articles ====
  * http://www.apa.org/monitor/jul98/joy.html
  * http://hotwired.lycos.com/collections/web_development/4.09_csik_pr.html




==== sites / resources ====
  * http://www.unrealities.com/essays/flow.htm




==== flow in HCI ====
  * Interfaces for Staying in the Flow >> http://www.acm.org/ubiquity/views/v5i27_bederson.html