Re:Yelp Is Replacing Restaurants’ Phone Numbers So Grubhub C...
by carlmr on Tuesday November 17, 2020 @01:46AM
(#25120886)
Portugal and a few other countries have that, too, it's very effective.
https://www.economist.com/finance-and-economics/2019/02/28/g...
Taiwan had an interesting way around this with a receipt lottery. Ask for a receipt, it has a number on it that enters you in a lottery. Presumably the generation of this number means the sale was reported.
https://guidetotaipei.com/article/taiwan-receipt-lottery-%E7...