# What are QR codes useful for? They are as useful as all the different types of content they can offer. In fact, in recent years, this type of code is becoming more widely accepted among all kinds of people. It's logical since with just one scan you can access a variety of different information and even facilitate certain tasks such as connecting to a [Wi-Fi network](/guides/creating-a-qr-code/wifi-qr-code.md). A QR code can help you improve the service or product you offer, interact with your customers and promote your business, among other things. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.sqr.co/questions-and-answers/about-qr-codes-in-general/what-are-qr-codes-useful-for.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.