Δρ. Νίκος Αντωνόπουλος Dr. Antonopoulos Nikos is PhD Graduate from Media Informatics Lab at the Aristotle University of Thessaloniki. He received his BSc in Information Technology and Telecommunications at the Higher Technological Educational Institute of Larissa, MSc in Cultural Informatics and Communication at the Aegean University. He has published one paper about Web Third-Person Effect on scientific journal and he has presented 7 papers in international and national Conferences. His research interests include websites, seo, online media, human-computer interaction, social networking and computers in human behaviour. For more information please visit www.antonopoulos.info