such as driving a car or do the speech recognition on your smartphone. Because whenever you take out your smartphone, an Android phone, for example, and you speak to it, and you say: "Ok Google, show me the shortest way to Milano." Then it understands your speech. Because there is a LSTM in there which has learned to understand speech. Every ten milliseconds, 100 times a second, new inputs are coming from the microphone, and then are translated, after thinking, into letters which are then questioned to the search engine.