What is «Login with Amazon» (LWA)?

Extensions Login with Amazon

dmitrii_fediuk (Dmitrii Fediuk) May 29, 2016, 4:16pm 2

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[Amazon Payments] What is the difference between the «Login with Amazon» and «Login and Pay with Amazon» terms?
[Amazon Payments] What is the difference between the «Amazon Payments» and «Login and and Pay with Amazon» terms?