Natural Language Processing (NLP) is a subfield of artificial intelligence that focuses on the interaction between computers and humans using natural language. NLP is used in many applications, such as chatbots, language translation, and sentiment analysis. Popular NLP platforms include Google Cloud Natural Language API, Amazon Comprehend, and Microsoft Azure Text Analytics. Read the article Cross-platform development is a software development approach that involves creating applications that can run on multiple platforms, such as Windows, macOS, and Linux. Cross-platform development can help to reduce development time and costs, and improve reach. Popular cross-platform development platforms include React Native, Xamarin, and Flutter.