Don't give services your phone number. Refuse to use services that demand your phone number. Twitter has been a gigantic PITA about this. Consequently, I hav

Don't give services your phone number. Refuse to use services that demand your phone number. Twitter has been a gigantic PITA about this. Consequently, I have to use nitter for everything. To be fair, I think I come out ahead, actually. Companies need to start being fined real money for losing PII (personally identifiable information). Once the idea of holding PII translates into "This might cost us $100 million" companies will stop keeping PII.