Introduction  
1 Introduction  
2 Foundation Concepts  
3 GPT-3 Family Large Language Models  
4 Performance of GLLMs in Downstream Tasks  
5 Performance of GLLMs in Specific Domains  
6 Multilingual Performance of GLLMs  
7 Data Labelling and Data Augmentation Abilities of GLLMs  
8 Detecting GLLM Generated Text  
9 Robustness of GLLMs  
10 GLLMs as Evaluators  
11 Future Research Directions  
12 Conclusion