What is GPU node AI?

Could you elaborate on the concept of GPU node AI? I'm curious to understand how it fits into the broader landscape of artificial intelligence and cryptocurrency. Specifically, how does the utilization of Graphics Processing Units (GPUs) in AI nodes enhance the capabilities of these systems? What are some of the key advantages of GPU-powered AI nodes over traditional CPU-based approaches? Additionally, what industries or applications could potentially benefit the most from the implementation of GPU node AI?