related tags: 4FA6FF 723B43 77C7FF 83AFEC 8E1F2F 97E2FF A3CBFB B2D8E9 D1BFCE DAB6D4 camden estherduflo eventphotography events inventor lecture maine poptech poptech09 poptech2009 powerpoint presentation session slidepresentation speaker technology unitedstates usa