Live Crawling of URLs is a feature that allows you to add up-to-date information to your prompts from other URLs in real-time, extending the knowledge of ChatGPT beyond the 2021 cut-off. You can use this feature by either using available prompts with live crawling or creating your own prompt template with [CRAWLEDTEXT] or [CRAWLEDSOURCE] placeholders. For more information and examples, please visit the forum posts linked below: