Have you ever gone shopping and get in line to check out—only to find a machine instead of a human being?

When you’re the one responsible for scanning all your items and swiping your credit card, things go a bit faster and makes life a little bit easier,

especially when you’re just picking up a few items.

However, not everyone likes the responsibility of scanning all their items and checking themselves out.

Plus, lines can still build up with these self checkout lanes.

Walmart had a solution for a way to still make customers able to check themselves out, but eliminate lines altogether.

Not too long ago, several stores began to implement their