When adding artificial intelligence to your application, it's not always necessary to write something from scratch, or even use a library. Many cloud providers offer data processing and analysis as a service. Almost all internet giants provide machine learning in the cloud in some form. In addition, plenty of smaller players are present in the market, and they often provide services of comparable quality at a similar cost. The greatest drawback of such small companies is that they tend to be rapidly acquired by major players. After that, their services are being merged with the services of the big companies (at best), or just being closed (at worst).
The range of such services is constantly growing and changing, so I do not see much point in a detailed consideration of these services in this book. I provide a list of services here that have not...