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As WhatsApp prepares for the phased rollout of its privacy protection policies starting in June 2026, Meta is set to officially launch the “Usernames” feature. This transition introduces a new backend identification mechanism: the Business-Scoped User ID (BSUID). For businesses using the WhatsApp Business Platform, adopting this identifier is essential to prevent service disruptions and ensure you can continue reaching your customers effectively. 💡 Key Takeaways: Privacy-First Messaging: What