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So many thoughts, so little time

Jay Cross

A User’s Guide to 21st Century Economics - HarvardBusiness.org , January 7, 2009. The myth of the concentration oasis - Mind Hacks , February 11, 2009. Sense-making with PKM , March 12, 2009. A Guide to Social Learning , February 7, 2009. Reinventing the Book in the Age of the Web - OReilly Radar , April 29, 2009.