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Payment startup Clinkle is apparently using ultrasound in their app: https://news.ycombinator.com/item?id=5964173 https://news.ycombinator.com/item?id=5964173
by gojomo 13y ago
Payment startup Clinkle is apparently using ultrasound in their app:
https://news.ycombinator.com/item?id=5964173 https://news.ycombinator.com/item?id=5964173