Conference Reports: (1) Europe after the Enlargement. International conference organized by The Center for Social and Economic Research (CASE) held on 8-9 April 2005 in Warsaw, Poland (Review by Agnieszka Paczymska and W. Paczymski). (2) Conference held in December 2004 on Paradigm Shift - Information, Knowledge and Innovation in the New Economy(Review by Andrea Szalavetz).