WhatsApp: WhatsApp Messenger is a cross-platform
instant messaging application that allows iPhone, BlackBerry, Android, Windows
Phone and Nokia smartphone users to exchange text, image, video and audio
messages for free.
Features:
WhatsApp is especially popular with end
users who do not have unlimited text messaging. In addition to
basic messaging, WhatsApp provides group
chat and location sharing options.Technically speaking,
WhatsApp uses a customized version of the open standard Extensible Messaging
and Presence Protocol (XMPP). WhatsApp Inc. was founded
in 2009 by Brian Acton and Jan Koum, both ve
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