Making money with smartphone app

The plaza in front of the Seoul Museum of Art on Feb. 17, 2023, is crowded with people taking part in a promotional event for an app, launched by a mobile financial service company, in which one uses it on a Bluetooth-based smartphone, clicks user icons of other people using the same app and earns 10 won (around US$0.008) per click. (Yonhap)

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