Description is an AI tool that offers a variety of resources, including courses, software, and books. Their Practical Deep Learning for Coders course provides comprehensive training in deep learning, while their fastai software allows for easy implementation of deep learning models using PyTorch. They also offer a book called Practical Deep Learning for Coders with fastai and PyTorch. The tool has been featured in publications like The Economist and The New York Times. Additionally, they have a corporate partner program that provides support for technologies and courses. The tool is constantly updated with new blog posts covering topics such as AI safety, programming language advancements, and deep learning techniques. It can be used in various applications such as healthcare, education, and AI ethics.