WhatsApp Messenger is an alternative to SMS messaging and is very similar to BlackBerry Messenger.
WhatsApp Messenger is an alternative to SMS messaging and is very similar to BlackBerry Messenger. It is also cross-platform, being also available for BlackBerry, iPhone, Windows Phone, and Nokia phones.
Questions about WhatsApp's general operation do not belong here, and you should see WhatsApp's own FAQ instead. Only Android-specific questions are on topic on this site.
