Dear speakers, We are pleased to announce that the final version of the technical program of the *Third NaNoNetworking Summit, *which will be held in Barcelona, Campus Nord of the Universitat Politécnica de Catalunya (UPC) on June 22-23 2011, is available at the following link: * http://www.n3cat.upc.edu/n3summit2011/program.php For those of you who still have not registered, we kindly advise you to do so at your earliest convenience: * http://www.n3cat.upc.edu/n3summit2011/registration.php Looking forward to meeting you next June 22-23 in Barcelona, N3Summit organizing committee