GUM - HomeGUM. THE SOCIAL NETWORK OF THINGS. A way to attach digital messages to barcodes, turning physical things into social pinboards. HOW DOES GUM WORK? Gum is an iPhone app that lets you stick messages to any barcode for others to discover. You can read what others have said or leave a response. SCAN Use the app to scan any barcode you choose. It could be a tin of beans or your brand new laptop. STICK
