Dear ICDEc community, After requests of several authors, the ICDEc 2021 team has decided to extend the submission deadline to April 15th, 2021. We recall that accepted and presented papers will be included in a Springer LNBIP volume dedicated to the proceedings of this 6th edition. Topics eligible to submission cope with (1) Business Innovation, and so Digital Business, Digital Transformation, Digital Marketing, e-Finance, e-Supply Chain Management, e-Commerce, etc., (2) Applications Domains like e-Health, e-Learning, e-Governance, etc., and (3) Emerging Technologies applied to Business problems such as Big Data, IoT, Blockchain, Data Science etc. Take also the opportunity to submit your papers in the 5 special sessions of this edition: 1/ Virtual Communities and Wellbeing, 2/ Mental Manipulations and Neurotechnology: redefining neuro- and cognitive security 3/ Strategic Networks in the Digital era 4/ ML & AI development in Finance 5/ Emerging communication technologies in IoT applications For more information, please do not hesitate to visit the conference website: www.aten.tn/ICDEc2021/ or contact us via icdec@esen-manouba.org Best regards, ICDEc 2021 Team.