The Wall Street Journal
@wsj·6.6M subscribers·28.9K videos
Making Mobile Payments Using Ultrasound
Posted
March 5, 2015
Views
3,095
Likes
23
Engagement
0.74%
March 5, 2015
3,095
23
0.74%
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2:13Now PlayingPayThunder demonstrates a mobile-payment system that uses ultrasound between two devices to transfer cash.
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