The Life of Things uses barcodes and QRCodes found on products' labels to generate sounds and visuals. The project includes an open source programming library for Processing that anyone can use to scan barcodes and QRCodes in their applications Check it out at http://www.artisopensource.net/productslife/index.php and download the Processing library at http://www.artisopensource.net/productslife/library.php