It's pronounced Diane. I do data architecture, operations, and backend development. In my spare time I maintain Massive.js, a data mapper for Node.js and PostgreSQL.
Your friend could use Google Voice to create disposable phone numbers, possibly?
As for automating verification -- you'll sleep easier if you don't try. You don't solve this with technology; it's a social not a technical problem. Any general-purpose "solution" will come complete with gaps, incorrect assumptions, edge cases, and more, and the consequences of those here run much deeper than in most applications.
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Your friend could use Google Voice to create disposable phone numbers, possibly?
As for automating verification -- you'll sleep easier if you don't try. You don't solve this with technology; it's a social not a technical problem. Any general-purpose "solution" will come complete with gaps, incorrect assumptions, edge cases, and more, and the consequences of those here run much deeper than in most applications.