Artificial intelligence is used extensively in everyday life, according to the document. Some key examples provided include: using face ID to unlock smartphones each morning; social media platforms personalizing user feeds and filtering content using AI; email services employing AI for spam filtering and spell checking; search engines like Google delivering personalized results and targeted ads through AI; and digital assistants like Siri and Alexa answering questions through natural language processing. The document also discusses AI applications in smart home devices, navigation apps, banking fraud detection, Amazon recommendations, and Netflix's AI-powered suggestions.