and that is the idea, to make simple a rule of life because as an environmentalist we always I have thought that we must take care of the planet. Nowadays people don't fully take advantage of the power of technology, they have so many valuable tools. I have always thought that "less is more", especially in these fast times and where people does not want to waste time but go to the concrete Thank you for your kind comment and your support, friend. It is very satisfying to see you always and my publications.