And it has learned to do that by listening to lots of speech from women, from men, all kinds of people. And that's how, since 2015, Google speech recognition is now much better than it used to be. The basic LSTM cell looks like that: I don't have the time to explain that, but at least I can list the names of the brilliant students in my lab who made that possible. And what are the big companies doing with that? Well, speech recognition is only one example; if you are on Facebook - is anybody on Facebook? Are you sometimes clicking at the translate button?