WhatsApp is a cross-platform smartphone messenger available for BlackBerry and 4 other major handsets. WhatsApp Messenger utilizes your existing internet data plan to help you stay in touch with friends, colleagues and family. Send Video, Images, and Voice notes to your friends and contacts. Enjoy group conversations with your contacts. Once you and your contacts install WhatsApp Messenger, you can use it to message each other as much as you want. Send a million messages a day to your friends!
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