Fans of the fruit are divided over whether it's a shopping hack or if a squeeze test should suffice.

It can tell whether the fruit is ready for smashing or better used sliced

Fans of the fruit are divided over whether it's a shopping hack or if a squeeze test should suffice.

Customers will be able to simply pick up an item - such as an avocado or mango - and put it under a machine that scans it with an infrared beam.