It is about Digital Technologies in human life.

It is intuitive, without a battery, charger, and has a permanent display. Protect it from water and fire, though.

It will not do any harm.

For Homo Sapiens. For example people working with children, the youth, for parents.

It is a handy hint – book. A reminder. It is not a pill for unhappiness.

Yes, for example the addiction of digital cocaine.

On some pages (here and there).