in 2006 the author pulished a book about the teaching of Italian as the mother tongue, and it situated such teaching in a "complex society", according to Edgar Morin's definition of such society. The world has changed, as stated by Symunt Baumann in his theory of "liquid modernity". Such a social change affects mother tongue teaching to "liquid" students used to "liquid" communication, and the author discusses the new perspective of mother tongue teaching to these students.