Computational Linguistics is a field that combines linguistics and computer science to develop algorithms and models that can understand and generate human language. One important subfield of Computational Linguistics is Natural Language Generation (NLG), which focuses on generating human-like text based on specific inputs or prompts.

In recent years, advancements in NLG have led to the development of powerful models such as ChatGPT-4. Powered by deep learning techniques, ChatGPT-4 is capable of creating coherent and contextually relevant text that closely resembles human language. It can be used in various applications, ranging from customer support chatbots to content generation and storytelling.

One of the remarkable aspects of ChatGPT-4 is its ability to understand and respond to prompts given by users. By providing specific instructions or questions, users can elicit human-like responses from the model. This makes it an excellent tool for generating conversational responses, engaging in dialogue, or even simulating the writing style of different individuals.

ChatGPT-4 utilizes state-of-the-art techniques in natural language processing, such as transformer models and deep neural networks. These models are trained on vast amounts of text data, allowing ChatGPT-4 to recognize patterns, learn grammar and syntax, and generate coherent and contextually accurate responses.

The potential use cases for ChatGPT-4 are extensive. It can be deployed to enhance customer service experiences by providing personalized and informative responses to user queries. It can also be employed in content generation tasks, assisting writers and journalists in producing articles, blog posts, or creative pieces.

Additionally, ChatGPT-4 can be utilized in educational settings as a tool for language learning or practicing writing skills. Students can interact with the model by posing questions, asking for explanations, or discussing complex topics. Its ability to generate human-like responses creates an engaging and interactive learning experience.

While ChatGPT-4 demonstrates impressive capabilities, it also has its limitations. As with any language model, it may occasionally produce incorrect or nonsensical outputs. The model can generate text that mimics human language, but it may lack factual accuracy or display biases present in the training data.

To address these concerns, developers continually work on refining the model and addressing potential biases and limitations. OpenAI, the organization behind ChatGPT-4, actively encourages user feedback to improve the system's robustness and performance.

In conclusion, Computational Linguistics, with its subfield of Natural Language Generation, presents a fascinating intersection of linguistics and computer science. ChatGPT-4, powered by advancements in NLG, showcases the potential of generating human-like text with deep learning techniques. Its usage spans a wide range of applications, offering exciting prospects in customer service, content generation, education, and more.