主播大秀

The usernames and phone numbers of millions of Snapchat accounts have been hacked. The information was tempororarily posted online by the hackers. Also on the programme we gauge views on what 2014 holds for global share markets and we continue our series on the future of the media - reporter Theo Leggett visits a YouTube studio in London which is playing a key role in the video sharing website's efforts to promote better quality output.