You don't need a physical scanner to quickly sign, scan and send official documents -- just use the iPhone in your pocket.

How iPhone turns the Camera app into a code reader On iPhone, the built in Camera app is the primary gateway to this hidden scanner. When you open Camera on your iPhone and point it at a QR code, the ...

If you need to scan and sign official documents, whether it's a legal document or you've gotten an extension on filing your taxes, a big scanner is always preferable. Yet what if you just need to ...