WhatsApp Messenger as explained by TechTarget, 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. It also provides group chat and location sharing options.
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 veterans of Yahoo!
In tech buzz, WhatsApp is back up after suffering an outage that affected users around the world for hours. The Facebook-owned messaging service confirmed in a media statement that it had been inaccessible, but did not say why.
“Earlier today, WhatsApp users in all parts of the world were unable to access WhatsApp for a few hours. We have now fixed the issue and apologize for the inconvenience,” said a WhatsApp spokesperson in an email. Read more of the news at TechCrunch.