Health Risks and 5 Other Secrets Barcodes Can Tell You

The humble barcode has been a regular part of grocery store shopping since 1974, with the first ever product being scanned on June 26th of that year. Since then, they have become almost invisible, with some package designs finding ingenious ways to hide or dress up their somewhat garish appearance.
However, with smartphones and apps now becoming a part of our everyday lives, the importance of barcodes is changing. Now, instead of being something the store uses to track inventory, the code can be a great way to find out much more about the product itself. From secrets about the product's manufacturer, to allergy information and user reviews, here are six amazing things that barcodes can tell you.