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WeChat, Line use marketing might to upend rivals like WhatsApp, Viber

In the battle to become the global messaging app of choice, China's WeChat and Japan-based Line have brought out some large marketing guns - TV ads featuring soccer star Lionel Messi, for instance - that have powered promising bursts of overseas growth.

Twitter may revamp Direct Messages to make it a standalone messaging app

The Direct Messaging feature on Twitter has been a handy tool for users ever since it came into being. Simply by following each other on the micro-blogging

How did BlackBerry lose its mojo?

The phone that once so dominated the UK youth market that its messaging service BBM was even blamed for helping to connect young rioters who fought police and wrecked shops in London and other cities in 2011, has now lost its cool.

How did BlackBerry lose its mojo?

The phone that once so dominated the UK youth market that its messaging service BBM was even blamed for helping to connect young rioters who fought police and wrecked shops in London and other cities in 2011, has now lost its cool.