Cracking down on fake steak with invisible, trackable beef barcodes

You can Shazam a song: what if you could Shazam your steak? Well, before too long, it will be possible to point your smartphone at a premium cut of Australian beef, fire up an app and …voila! Up comes the meat's entire back story including where it was raised, what it ate and when and where it was processed. In a world-first for the food sector, accounting firm Pricewaterhouse Coopers has developed an electronic etching procedure that creates an invisible, trackable barcode for beef based on edible, non-toxic silicon dioxide.