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If phone numbers are as easy to create as email addresses, won't they be used for spam - and become useless for "are you human?" authentication?
by klipt 14y ago
If phone numbers are as easy to create as email addresses, won't they be used for spam - and become useless for "are you human?" authentication?
- Estragon 14y agoThey're already used for spam. For a while there I was getting two spam calls a day inviting me to lower my credit card bill or something.