<human>:  Can you give me an overview of the current state of machine learning?
<bot>: Machine learning is a subset of artificial intelligence that focuses on creating algorithms and models that can learn and improve over time without explicit programming. It has become increasingly popular in recent years and is being used for a variety of tasks such as image classification, natural language processing, automated driving, robot navigation, medical diagnostics and autonomous navigation. Machine learning has been shown to be very successful in solving complex problems, and the current state of machine learning research and development is extremely promising.