A shopper scans a smartphone app associated with his Amazon account and credit card information to enter the Amazon Go store in Seattle, Washington, U.S., January 18, 2018. Photo taken January 18, 2018. REUTERS/Jeffrey Dastin Show moreShow less
Shoppers enter the Amazon Go store located in Amazon's "Day 1" office building in Seattle, Washington, U.S., January 18, 2018. Photo taken January 18, 2018. REUTERS/Jeffrey Dastin Show moreShow less
A customer browses meal-kit options at Amazon's new "grab-and-go" store in Seattle, Washington, U.S., January 18, 2018. Photo taken January 18, 2018. Image for illustrative purposes. REUTERS/Jeffrey Dastin Show moreShow less
Signage is seen inside Amazon’s first cash register-free grocery store, in Seattle, Washington, U.S., January 18, 2018. Photo taken January 18, 2018. REUTERS/Jeffrey Dastin Show moreShow less
A customer walks out of the Amazon Go store, without needing to pay at a cash register due to cameras, sensors and other technology that track goods that shoppers remove from shelves and bill them automatically after they leave, in Seattle, Washington, U.S., January 18, 2018. Photo taken January 18, 2018. REUTERS/Jeffrey Dastin Show moreShow less
Amazon-branded chocolate bars are seen in the company's convenience store Amazon Go without checkout lines, in Seattle, Washington, U.S., January 18, 2018. Photo taken January 18, 2018. REUTERS/Jeffrey DastinShow moreShow less
A shopper is seen using his phone in the line-free, Amazon Go store in Seattle, Washington, U.S., January 18, 2018. Photo taken January 18, 2018. REUTERS/Jeffrey DastinShow moreShow less
An Amazon employee manages inventory in the company's line-free Seattle store, in Seattle, Washington, U.S., January 18, 2018. Image for illustrative purposes. Photo taken January 18, 2018. REUTERS/Jeffrey DastinShow moreShow less
An Amazon employee manages inventory in the company's line-free Seattle store days before the store's public debut, in Seattle, Washington, U.S., January 18, 2018. Photo taken January 18, 2018. REUTERS/Jeffrey Dastin Show moreShow less
Customers browse packaged wraps, sandwiches and salads at Amazon's new "grab-and-go" store in Seattle, Washington, U.S., January 18, 2018. Photo taken January 18, 2018. REUTERS/Jeffrey Dastin Show moreShow less
Amazon presents automated grocery store of the future