WE have seen the true at the Consumer Electronics Show, the largest trade fair for hi-tech of Las Vegas. Now it will take the service in Turin, inside the International Training Centre of the United Nations (Itc-Ilo). Olli is a small bus by eight places to guide autonomous, similar to the model of the French Navya experienced in Merano at the beginning of December. This time, however, will not for a week, but for four months.