Apple versus the trademark sleuths

Apple has employed various tactics to keep its product names secret over the years

One of Apple's most fiercely guarded secrets? The name of the next iPhone. It's known that the device will launch later this year, complete with a stainless steel and glass body, a better screen and a speedy 3-D sensor that recognises your face. It may be called the iPhone X to celebrate the iconic product's tenth anniversary or just iPhone 8. But Tim Cook doesn't want us to know for sure until he utters the name on stage.

In recent years, Apple-obsessed sleuths have managed to ferret out the names and details of the company's products by searching trademark offices around