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So many thoughts, so little time

Jay Cross

Facebook in 2010: no longer a walled garden - OReilly Radar , March 4, 2009. The myth of the concentration oasis - Mind Hacks , February 11, 2009. Sense-making with PKM , March 12, 2009. The Future of Our Cities: Open, Crowdsourced, and Participatory - OReilly Radar , April 6, 2009. The Optimal Size of Groups , March 18, 2009.