Artificial intelligence is increasingly used in search, education, health care, translation, software and customer service. Understanding what these systems can and cannot do helps readers make better decisions about their use.
What is artificial intelligence?
Artificial intelligence refers to computer systems that perform tasks commonly associated with human intelligence, such as recognizing patterns, generating language, classifying images or recommending actions. Modern generative AI models produce text, images, audio or software code based on patterns learned during training.
How people use AI
Common uses include drafting documents, translating text, analyzing large datasets, helping programmers, improving accessibility and supporting customer service. In medicine, AI may assist clinicians with selected tasks, but it does not replace professional judgment. The usefulness of a system depends on its design, training and evaluation.
Important limitations
AI can produce inaccurate or fabricated statements, miss context, reflect bias or expose sensitive information if used carelessly. A confident-sounding response is not evidence that it is correct. Readers should verify consequential claims against primary sources and avoid uploading confidential records to tools without understanding their privacy policies.
Using AI responsibly
Set clear goals, check outputs, retain human oversight and disclose AI assistance where appropriate. The US National Institute of Standards and Technology AI Risk Management Framework offers guidance on assessing and managing AI risks. The UNESCO Recommendation on the Ethics of AI addresses human rights and societal concerns. Also read our online account safety guide.
Reviewed October 29, 2026. Check official sources for changes to eligibility, rules and deadlines.
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