Please note: The language of the publication is Czech! Digitalization is picking up speed. Technological development is rapid and constantly opening up new possibilities.Twenty years of the Internet and ten years of smartphones have had a profound impact on the world we live and work in. Old job concepts are replaced by new ones. Digitalization is the innovation engine of the 21st century and is changing many areas of our society. Digital change has long since arrived in society.The proceeds from the sale of the book will be returned to the Arber project!