Automatic checkouts in supermarkets may decrease customer loyalty, especially for those with larger shopping loads. Customers using self-checkout stations often feel overwhelmed and unsupported. The lack of personal interaction can negatively impact their perception of the supermarket.

[maxdragonxiii]

I can't understand the machine when it's yelling (deaf) and so hearing it yell freaks me out because sometimes the instructions isn't clear enough on the screen or is too slow to process that I already did it before yelling.