We have covered a lot of ground on Watson services in this book—everything from how to control a conversation with a user to help them get to their core problems, how to recognize things that can be seen in a camera, or –speech captured by a microphone, through to how to analyze tone and personality in how people write, to classifying utterances, and analyzing the expression of language in documents. Throughout this book, you will have seen that all of these services can be invoked with APIs from your program. Virtually all of these services come with built-in models that are useful right out of the box, but you can always customize them with your own models when you need to adapt them to your problem space.
All the examples that we have used in the book are in English. However, Watson supports many different human languages, and many more are being added all the time—although, which ones these are can vary from service to service. You can always...