The global economy is facing a complex and outstanding challenge: the economic and financial crisis. The digital revolution represents the pillar for a competitive and sustainable global economy and Information and Communication Technologies can become a crucial factor for the economic recovery. The paper aims to highlight the significant contribution of Information and Communication Technologies to the development of sustainable knowledge economy. The paper achieves an analysis of ICT sector in the EU Member States. The comparative study is analyzing the correlation between the networked readiness, global competitiveness and ICT sector share in national economies in the EU27. The current paper also addresses main issues regarding digital marketing.