2D barcode scanner and 2D barcode readers offer the latest technology in terms of barcode scanning available today. 2D barcodes allow more information to be encoded and arranged in a smaller area using 2D barcodes made up of squares, dots or other symbols. 2D Barcode Scanners can also read traditional 1D barcodes or linear barcodes. As a result they are gaining popularity and are viewed as an investment due to their versatility and future- proof technology.