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A comment on PDF Is the World's Most Important File Format. Parent comment

Re:PDF Is the World's Most Important File Format by gibolt on Friday May 03, 2019 @08:40PM (#19823490)
Anyone in Asia, they are hugely popular and super useful.

Adding friends on WeChat, making payments to vendors, getting discounts, installing an app, etc

[ Parent | on HN ]
Re:PDF Is the World's Most Important File Format by geomark on Friday May 03, 2019 @09:26PM (#19823688)
Yep. In my case add friends on Line, buy subway tix, pay at 7-11 and many other places. You can also receive payments to your own QR code.
[ Parent | on HN ]