New ask Hacker News story: Ask HN: Which was the first app that used QR codes to do payments?
Ask HN: Which was the first app that used QR codes to do payments?
2 by JVIDEL | 0 comments on Hacker News.
2 by JVIDEL | 0 comments on Hacker News.
New ask Hacker News story: Ask HN: What are all the FOSS programs for various mathematical explorations?
Ask HN: What are all the FOSS programs for various mathematical explorations? 2 by SkyMarshal | 0 comments on Hacker News.
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