What is the knowledge market, the recent paradigm of  the Net Economy? To understand it, let’s start from a small dilemma of many readers’ everyday life. At last, friday afternoon I decide to start the weekend with a dinner at home and I make some phone calls to invite friends.

Hands up who has never dreamed of owning a magic wand, of imitating the gestures of  Wizard Merlin or Harry Potter, or who simply has never wished  that saying “Abracadabra” was enough to solve his own problems. If you belong to this large number of people, nowadays technology can come to help you.