You are invited to participate to the International Conference on Quantitative, Social, Biomedical and Economic Issues 2019 (ICQSBEI ’19) by submitting your abstract or poster, relevant to the topics of the Conference. Organized by: GREEK RESEARCH INSTITUTE FOR THE STUDY OF QUANTITATIVE, SOCIAL AND BIOMEDICAL PROBLEMS Contact person: Dr Christos Frangos, CHRISTOS.FRANGOS@GMAIL.COM This Conference serves as an excellent platform for presenting Theoretical and Applied papers in the fields of the uses of Educational System for the development of New Technologies (Internet, Social Media, Smart phones, technological addictions) for information, communication, entertainment, Education ,Business Management, Environmental Management and Marketing, as well as, the effects for people’s health, from the addictive and uncontrollable uses and abuses of the New Technologies.