THE odds are you have never thought about it before, but there’s a reason the stickers on fruit and veg have numbers on them. As well as having a bar code the stickers boast a PLU code, or pr… ...

We’ve already heard about a few of them, like QR codes, that can be used to quickly add new contacts or animated stickers, thanks to their appearance in beta versions of WhatsApp.

The sequence of numbers is known as the PLU code, also known as the price look-up number. Article continues below All supermarket fruit bear these stickers (Image: Getty ) ...

What the numbers on your fruit stickers REALLY mean (and the reason is actually much simpler than you think) Codes on stickers tell you exactly how your piece of fruit has been grown ...