3 ms·

SMS is expensive.

• netr0ute 5y ago
  It's less expensive than losing customers due to a bad UX.
  • jcims 5y ago
    But more measurable.
• lotsofpulp 5y ago
  TOTP is free, and can simply be made an option to avoid CAPTCHA.
• xdennis 5y ago
  It's amazing that they still charge for something smaller than an average packet.