Unless you are going to eat it that night you want slightly unripe avocados, your keys go in your pocket, why are you drinking a coffee while shopping (very unsanitary) and your list should be on a clip board propped up in your cart for ease of use. Have a pen tied to it to mark off what you have gotten.
How is it that people now seem to be incapable of doing basic tasks?
People aren't, but these apps need customers.