May 3-5, Chicago: come join the PB conversation! 54 speakers from 13 countries, 25 panels&workshops, all PB! http://pbconference.wordpress.com/ #pbconf
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May 3-5, Chicago: come join the PB conversation! 54 speakers from 13 countries, 25 panels&workshops, all PB! http://pbconference.wordpress.com/ #pbconf
