====== Introduction ======
Please fill in some introduction
=== Content classification hints ===
The book comprises a comprehensive guide for a variety of education levels. A brief classification of the contents regarding target groups may help in a selective reading of the book and ease finding the correct chapters for the desired education level. To inform a reader about the proposed target group, icons are assigned to the top headers of the chapters. The list of icons and their reflection on the target groups is presented in the table {{ref>icons}}.
List of icons presenting content classification and corresponding target groups
^ Icon ^ Target group ^
| {{:en:iot-open:czapka_b.png?50| Bachelors (1st level) classification icon }} | **B**achelor and Engineering level students |
| {{:en:iot-open:czapka_m.png?50| Masters (2nd level) classification icon }} | **M**asters students |