I've been watching this random Japanese travel YouTuber and noticed that in many non-US countries, using your phone as a payment card is common, even for small transactions.
Here is an image of this guy buying stuff in a vending machine with it. That's how commonplace it is:
** ********, * **** ** * part ** *** ***** ***** '**** Is ****', ***** ****** ***** ******* their ***** ********** *****, *** *** local *** ************ ****** * ******** ** *** do *** *** ******:
** **** ** ** **** *********** were ****, *** * *** *** majority ** **** ****** * *** have ***.
[**** ************ ****]:***** ******** **** ** *** *** compared ** ***** ***** ** *** world?
***** **'* ** ******** ***** ******* in *** ***** ** *** ** I've **** ********, ***** *** ** widely *********.
* **** *** *** **** ********** though **** *** ********, **** ***'* have ****** *** ***. * ******* that ** ******* **'* **** ********* to ******** ******* **********.
**** *** ******* -****, **** *** ******** ***** ***** Apple ***? - ******* **** **** ******** *** ****** trend.
* ***** **** ***** ***** *** use ** ****** *** ****** *******.