QUICKLY CONNECT WITH YOUR CONTACTS: Your address book is used to quickly and easily connect you with your contacts who have WhatsApp so there's no need to add hard-to-remember usernames. No more confusion about whether you're logged in or logged out. ALWAYS LOGGED IN: With WhatsApp, you're always logged in so you don't miss messages. SAY NO TO USERNAMES AND PINS: Why bother having to remember yet another username or PIN? WhatsApp works with your phone number, just like SMS, and integrates seamlessly with your phone's existing address book. Chat with your friends around the world and avoid international SMS charges.

NO INTERNATIONAL CHARGES: There's no extra charge to send WhatsApp messages internationally. WHATSAPP WEB: You can also send and receive WhatsApp messages right from your computer's browser. GROUP CHAT: Enjoy group chats with your contacts so you can easily stay in touch with your friends or family. Also, you can't access 911 and other emergency service numbers through WhatsApp).

WhatsApp calls use your phone's Internet connection rather than your cellular plan's voice minutes. FREE CALLS: Call your friends and family for free with WhatsApp Calling, even if they're in another country. MULTIMEDIA: Send and receive photos, videos, documents, and Voice Messages. There are no subscription fees to use WhatsApp. WHY USE WHATSAPP: NO FEES: WhatsApp uses your phone's Internet connection (4G/3G/2G/EDGE or Wi-Fi, as available) to let you message and call friends and family, so you don't have to pay for every message or call. Switch from SMS to WhatsApp to send and receive messages, calls, photos, videos, documents, and Voice Messages. WhatsApp uses your phone's Internet connection (4G/3G/2G/EDGE or Wi-Fi, as available) to let you message and call friends and family.

WhatsApp Messenger is a FREE messaging app available for Windows Phone and other smartphones.

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