About the Author

Matteo Crivellini earned his degree in Computer Science at the University of Bologna and studied Cognitive Sciences at the University of Indiana in the United States. In 2010, he founded MACRO, a firm that offers corporate consultation in the field of internet and communications. Rossella Trionfetti, after her high school certificate in Applied Art, specialised in the field of illustration. She currently works as children's illustrator, also collaborating in the creation of apps and interactive games.