WhatsApp has been one of (if not the most) popular messaging app recently, and the service just keeps on getting better. As we know by now, WhatsApp loves to let everyone know when it hits a new milestone with either its user numbers or its per-day message processing numbers. Well, the app has hit a new plateau, and has added a new feature to mark the occasion...Source: http://www.phonearena.com/news/WhatsApp-adds-voice-messaging-as-it-passes-300M-users_id46126
