Explore the power of phone number identity solutions for global user growth and protection in this Google I/O '17 conference talk. Discover new tools that simplify phone number input, SMS verification, and account creation. Learn from Fabric's Digits team's experience in providing phone authentication to over 125 million users across 200 countries. Gain insights into Auto Retrieval, Instant Verification, and Firebase UI integration. Understand the migration pathways from Digits to Firebase Authentication, including free tier options and simple pricing models. Equip yourself with knowledge to implement robust phone number-based identity solutions for your global user base.