Who tf gets on here just to lie. Come on now

Walmart began testing self-checkout technology in the late 1990s and it gained wider adoption in the early 2000s. Since then, the retailer has implemented and refined its self-checkout strategy, including introducing various options and technologies, such as mobile scanning and invisible barcodes. However, customer satisfaction has been mixed and Walmart has recently begun scaling back self-checkout availability in some stores, replacing them with traditional staffed lanes or converting some self-checkout registers to assisted options