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PewDiePie, YouTube's biggest star - by numbers
2014 has been a massive year for Felix Arvid Ulf Kjellberg - better known by his online alias PewDiePie - whose gaming videos propelled him to the most subscribed channel on YouTube. Here are the facts and figures behind him and his YouTube channel
NORAD: tracking Santa for 60 years
The unusual tradition of NORAD - usually tasked with defending US airspace - hosting a website to track Santa can be dated back to a happy accident in 1955
Samsung unveils new curved-screen TV ahead of CES
Samsung gets in ahead of the curve, introducing its latest TV monitor ahead of CES
Mobile phones 'wide open' to global hackers
Attacks staged from anywhere in the world could record your phone calls, read your text messages or even make charges on your account, warn German security experts
Boeing and BlackBerry create 'self-destructing' phone
A top-secret phone which wipes all of its data if it senses anyone tampering with it is being created for use by government agencies
'Get off the tech and communicate this Christmas'
A lack of face to face interaction is leading to a generation of young people severely lacking in social skills, so take time to chat this Christmas, says Fiona Barry
The Interview and North Korea: what happened to America's true grit?
Hollywood should order kingsize popcorn and laugh at North Korea all the way to the bank, says Boris Johnson
Where can I find the ITV Player app?
If it doesn't show in Google Play it may be because your device doesn't support it, says Rick Maybury
2015 will be all change for ?news ?publishing and content
The culture of sharing everything can feel a little hackneyed at times, but it may have a huge impact on the news that we read as publishing companies get to grip with different ways to do business, says Monty Munford
2015 will be all change for publishing and content
The culture of sharing everything can feel a little hackneyed at times, but it may have a huge impact on the news that we read as publishing companies get to grip with different ways to do business