This book is the proceedings of the International Federation for IT and Travel & Tourism (IFITT)’s 28th Annual International eTourism Conference, which assembles the latest research presented at the ENTER21@yourplace virtual conference January 19–22, 2021. This book advances the current knowledge base of information and communication technologies and tourism in the areas of social media and sharing economy, technology including AI-driven technologies, research related to destination management and innovations, COVID-19 repercussions, and others.

In his book, pending between history and sociology, on engineers in thirteen countries of the western part of Europe, Professor Rolf Torstendahl approaches the development from around 1850 up to the present situation from different angles.