According to USA Today, 7-Eleven is launching a scan and go option at 14 stores in Dallas on Wednesday, with plans to expand it to other U.S. cities in 2019, in an effort to make the convenience store chain more convenient.

Customers use the new Scan & Pay feature in the chain's app and then scan in the merchandise they want to buy with their smartphones as they walk through the store.

It also connects with the 7 Rewards loyalty program, so customers can find out about deals and promotions.

Also last week, Walmart revealed it's going to start letting customers avoid check-out lines by installing store employees in the aisles with credit-card readers to process purchases.

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