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‘The tyranny of apps’: those without smartphones are unfairly penalised, say campaigners
(www.theguardian.com)
This is a most excellent place for technology news and articles.
Food Lion (East coast, not sure if they're national) has a fairly good loyalty program. Your loyalty card number on the physical card or in the app are the same, you can load coupons to it so they're applied at checkout if they're relevant, you can use their ordinary website if you don't have/want to use a smart phone app...it's non-cancerous.