One advantage of using QR codes is that:

Using QR codes offers the significant advantage of automatically capturing desired information. When scanned by a compatible device, such as a smartphone or tablet, QR codes can instantly direct users to specific URLs, product information, or other data without requiring any manual input. This ease of access enhances user experience by minimizing the effort needed to obtain information, which is particularly useful in settings like advertising, payments, or event management.

The other options present limitations or misconceptions about QR codes. The requirement for manual entry of information is contrary to the purpose of QR codes, as they are designed to streamline data processing. Stating that QR codes are only usable on laptops overlooks their broad compatibility with a variety of mobile devices. Lastly, the assertion that they can only store small amounts of data does not fully represent their efficiency; while there is a limit, QR codes can store significant information compared to conventional barcodes.