QR codes — or "Quick Response" codes — are square-shaped barcodes that can be scanned by mobile devices. They are used for a variety of applications, from pulling up a restaurant menu to directing ...

QR codes are cool, but they haven't quite caught on en masse yet, because finding cool uses for them have been challenging. One popular use for QR codes is printing them on business cards. Sharon ...

iPhone users can scan documents and QR codes on their device using the built-in Notes and Camera apps. To scan a document in the iPhone's Notes app, open a new or existing note, then tap the "+" icon ...

There are still needs for paper-based documents in certain circumstances where electronic documents cannot efficiently replace them. For example, documents issued by the government such as birth ...