https://www.fox10phoenix.com/news/costco-temporarily-suspends-free-food-samples-over-coronavirus
Costco temporarily suspends free food samples over coronavirus | FOX 10 Phoenix
With fears of the coronavirus heightening, some shoppers in recent weeks voiced concerns over whether the warehouse should continue the practice of handing out...
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https://www.lightspeedhq.com/au/blog/do-free-food-samples-increase-sales/
Do Free Food Samples Increase Sales? - Lightspeed
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