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A printed QR code has no battery, subscription, or hidden expiration date. If the pattern is still readable, a phone can scan it. But the scan has to lead somewhere. That destination may depend on a hosted page, a redirect, a domain, an account, and an organization that has to keep the whole chain running. The printed square may last twenty years. The service behind it is the part worth investigating.
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.