💨 Abstract

Supermarkets use yellow stickers to grab shoppers' attention quickly due to the color's high visibility. This psychological tactic creates a sense of urgency, prompting quick decisions to buy. Additionally, yellow stickers are easier for staff and tills to recognize. First introduced by Sainsbury's in 1993, these stickers have led to widespread bargain-hunting communities on social media. Different stores have varying discount times and methods, such as Tesco's "Free after 9.

Courtesy: Sarah Bull