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Won’t disabling third-party cookies render certain payment gateways unusable? While such advice may be very welcome among savvy computer users who know when they should temporarily turn third-party cookies back on, the NYT is unlikely to give advice that will break online shopping for large numbers of people.

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I've had 3p cookies disabled for years and never experienced an issue with payments. But, it may be that I don't pay for things as often as others. My recommendations will slightly break some things like embedded Twitter posts but it's rare that I experience a site being functionally impacted in ways I care about.

I don't think I've ever run into an issue with a payment gateway. The one major site I've had issues with has been playstation.com. Sony seems to use a bunch of different domains for managing its various PSN websites, and I've never found the right set of rules in uMatrix without also enabling third-party cookies.

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