Original ELIZA Chatbot Revived from 1960s Code, Contains 420 Lines of Code in CTSS Environment

The original ELIZA chatbot, created in the 1960s, has been revived from its original code, marking a milestone in artificial intelligence history. ELIZA is recognized as the first chatbot, known for its rudimentary capabilities and serving as a precursor to modern AI systems like ChatGPT and Gemini. The revival was made possible after the original code, which had been lost for years, was rediscovered. The program consists of just 420 lines of code and has been demonstrated to showcase its limited functionalities in an emulated CTSS environment.