Axios: “Cellphone numbers have become a primary way for tech companies like Facebook to uniquely identify users and secure accounts, in some ways becoming a proxy for a national ID.Why it matters: That over-reliance on cellphone numbers ironically makes them a less effective and secure authentication method. And the more valuable the phone number becomes as an identifier, the less willing people will be to share it for communication.
The big picture: American culture and law are hostile to establishing any sort of national ID, leaving businesses and organizations to find substitute…Many Americans try to avoid broadcasting SSNs online. But now people have to share them with so many institutions and clerks that there’s very little that’s truly secret about them…”
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