How to: turn your iPhone into a document scanner, and when you shouldn't | AppleInsider
Amazon.com : Eyoyo QR Code Scanner with LCD Display, Mini Portable Bluetooth Barcode Scanner, Wireless 1D 2D Book Bar Code Scanner for Library Classroom Inventory Compatible with iPhone iPad Android iOS POS
Amazon.com : Scanner Bin Pro - Phone Scanner Stand for Photo and Document scanning (Also Used as a Document Camera, Invented & Produced in The USA) : Office Products