Consumers might not just feel obligated to shop at a specific store because of their membership, but they could also end up paying more than they did before.
Source: https://www.marketwatch.com/story/store-loyalty-programs-are-taking-your-personal-data-and-may-use-it-to-charge-you-more-heres-how-to-protect-yourself-93aca959?mod=mw_rss_topstories
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