AI and machine learning are already widely used in search engines, such as Google, Bing, and Baidu. Google uses AI and machine learning to power its core algorithm, which ranks billions of web pages for billions of queries every day. It also provides features like Google Assistant, Google Lens, Google Translate, and Google Discover. Bing uses AI and machine learning to improve its natural language processing, personalization, and image recognition capabilities. It also offers features like Bing Answers, Bing Predicts, Bing Visual Search, and Bing Entity Search. Baidu utilizes AI and machine learning to optimize its search engine for the Chinese market. It provides features like Baidu Brain, Baidu Duer, Baidu Image Search, and Baidu Knowledge Graph which offer intelligent and comprehensive information for various scenarios.