Amazon just launched their first cashierless grocery store in Seattle with "Just Walk Out" technology yesterday.

Instead of cashiers, the Amazon Go headquarters uses algorithms and computers with cameras that lets people grab 'n go.

Photo Credit: Amazon GoAmazon Go's cashierless grocery store in Seattle opened to customers on Monday, Jan. 22.

When customers arrive, they scan their Amazon Go app and begin shopping. Essentially, they grab what they want and walk out of the store.

Everything a customer picks up is viewed by a camera and then charged to your Amazon account upon leaving the store.

Employees do exist, however, they're just stocking the shelves instead of standing at the check-out.

The shop is about 1,800 square-feet, allowing busy customers to get in and out fast, says the company.

The store has been open to employees for about a year as a trial run and it opened to the public on Monday.

Photo Credit: Amazon Go

Customers in Seattle who've tried the cashierless store are starting to comment on their experiences.

One customer, Catherine Chubb said, "A bit sterile inside, doesn't have a heart beat if you know what I mean."

Another reviewer wrote, "Super quick, friendly employees asking if you need help finding anything."

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