Unilever’s Latest Play to Tackle Food Waste? A ‘Smart’ Mayonnaise Jar

Right now, your refrigerator’s door bin might be home to some almost-off milk, a scattering of garlic bulbs and a jar of relish from 2022. Now, Unilever has actually made something useful for you to put in there: a “Smart Jar” that tells you if your fridge is at the right temperature. In 2019, the…
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