When @Haraam_ from Glasgow spotted an out-of-date item in Tesco, he rightfully tweeted his outrage. #NotCool
Fifteen minutes later, his complaint was spotted by Tesco's customer service team, who wanted to help sort out the situation.
But Haraam was having none of it.
The location of the mouldy biscuits will forever remain a mystery – but whichever Tesco worker left them out owes one to Haraam.