BBC Click's Dan Simmons finds out how companies are changing the way we communicate.
24-hour news, sport and programmes
Find out what is on BBC World News in your region
More on the BBC’s international news and sport coverage
Jon Sopel explains the day's global news and what it means to you
Join Ros Atkins for real-time news from the BBC newsroom in London
Global news, debate and analysis as it affects audiences in Asia
Guide to all the latest gadgets, websites, games and computer industry news
Hard-hitting interviews with newsmakers and personalities from across the globe
Bringing you the biggest stories and most exciting destinations from around the world
Yalda Hakim joined BBC World News in December 2012 as a presenter and correspondent.
Presenter of HARDtalk BBC World News' flagship current affairs interview programme
BBC's Chief International Correspondent and senior presenter for BBC World News
Lead anchor of BBC World News America