The growth of apps such as WhatsApp and Viber tends to snowball

Going over the top: Who is going to profit from the rise of WhatsApp and Viber?

The apps are costing phone providers billions.

Psy's long-awaited follow-up to Gangnam Style, Gentleman, was released earlier this week

Psy of relief? 'Gangnam Style' star's 'Gentleman' scores 86 million YouTube hits in 72 hours

The pressure was on for Psy’s follow-up single after “Gangnam Style” became the most-watched video on YouTube with 1.5 billion hits.

The inside story: Kim Jong-Un’s former chef Kenji Fujimoto

North Korea: Why the media needs a sausage maker in Seoul

World View: Any source is a good source when desperate journalists can't dig up the most basic of facts

John Kerry meets China's top leaders to discuss North Korea

US Secretary of State John Kerry met China's top leaders today in a bid to persuade them to exert pressure on North Korea to scale back its belligerent rhetoric and, eventually, return to nuclear talks.

'PSY marks a new phenomenon - upbeat, relentlessly cheerful, cheesy and ironic'

Can he beat 'Gangnam Style'? Psy unveils new single 'Gentleman' with the refrain 'I am a party mafia!'

South Korean rapper Psy released his much-anticipated new single at midnight last night - and is hoping to repeat the success of its predecessor "Gangnam Style" which has made him the biggest star to emerge from the growing K-pop music scene.

China warns North Korea it will not tolerate 'troublemaking'

Warning from nation's only major ally come as speculation mounts that missile tests are imminent

'PSY marks a new phenomenon - upbeat, relentlessly cheerful, cheesy and ironic'

Brace yourself for Psy's second act - but will it live up to Gangnam Style?

It was impossible to escape his first single – but can the Korean rapper strike it big a second time?

In an effort to firm up support and loyalty Kim Jong-un has to keep visiting his military bases

Spy claims Kim Jong-un is struggling to control the North Korean army

A former North Korean spy has claimed Pyongyang’s threats of military action are a sign that Kim Jong-un is struggling to control his armed forces.

Millions of North Koreans have returned to collective farms to make fertiliser

North Korea's reservists 'called back to help with spring harvest'

The warning, announced on North Korean state television, is the latest salvo in weeks of sustained bellicosity that have raised the threat of conflict to its highest level in years. But on the ground the grave words were largely ignored – foreign businesses and schools were operating normally and consulates gave no indication they were taking the threat seriously.

South Koreans look north through binoculars near the demilitarized zone

'If war comes, we will fight because we have to': Life goes on near Korea's demilitarised zone

Tourists peer through telescopes from the southern side of the demilitarised zone (DMZ), trying to catch a glimpse of life across the line that divides North and South Korea.

Guard duty: A North Korean soldier keeps watch on South Korea last week from the truce village of Panmunjom

South Korea backtracks on nuclear test claim as tensions continue to rise across region

A government official said that Mr Ryoo had intended to say that North Korea has long been ready to conduct a nuclear test

Reports of Pyongyang's next missile test stokes tensions in South Korea

Military in the South is in ‘readiness’ amid fears of new weapons launch by the North this week

UK diplomats remain in place despite North Korea warning as Pyongyang moves missiles onto coast prompting fears of imminent attack

Beijing is believed to have sent private messages to Kim Jong-un urging caution

Office workers and shoppers throng the night-time streets of Seoul

The South Korean reaction: 'Pyongyang has been crying wolf for some time'

South Koreans, who have seen it all before, are carrying on as normal

North Korea moves missile 'with considerable range' to its east coast, as US troops in South are put on high alert amid rising tensions and threat of 'merciless' nuclear strike

Reports in the Japan suggested missile could be a KN-08, which is believed to be a long-range missile that if operational could hit the United States

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Independent Travel
Pompeii, Capri & the Bay of Naples
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Spain
Prices correct as of 30 January 2015
As in 1942, Germany must show restraint over Greece

As in 1942, Germany must show restraint over Greece

Mussolini tried to warn his ally of the danger of bringing the country to its knees. So should we, says Patrick Cockburn
Britain's widening poverty gap should be causing outrage at the start of the election campaign

The short stroll that should be our walk of shame

Courting the global elite has failed to benefit Britain, as the vast disparity in wealth on display in the capital shows
Homeless Veterans appeal: The rise of the working poor: when having a job cannot prevent poverty

Homeless Veterans appeal

The rise of the working poor: when having a job cannot prevent poverty
Prince Charles the saviour of the nation? A new book highlights concerns about how political he will be when he eventually becomes king

Prince Charles the saviour of the nation?

A new book highlights concerns about how political he will be when he eventually becomes king
How books can defeat Isis: Patrick Cockburn was able to update his agenda-setting 'The Rise of Islamic State' while under attack in Baghdad

How books can defeat Isis

Patrick Cockburn was able to update his agenda-setting 'The Rise of Islamic State' while under attack in Baghdad
Judith Hackitt: The myths of elf 'n' safety

Judith Hackitt: The myths of elf 'n' safety

She may be in charge of minimising our risks of injury, but the chair of the Health and Safety Executive still wants children to be able to hurt themselves
The open loathing between Barack Obama and Benjamin Netanyahu just got worse

The open loathing between Obama and Netanyahu just got worse

The Israeli PM's relationship with the Obama has always been chilly, but going over the President's head on Iran will do him no favours, says Rupert Cornwell
French chefs get 'le huff' as nation slips down global cuisine rankings

French chefs get 'le huff' as nation slips down global cuisine rankings

Fury at British best restaurants survey sees French magazine produce a rival list
Star choreographer Matthew Bourne gives young carers a chance to perform at Sadler's Wells

Young carers to make dance debut

What happened when superstar choreographer Matthew Bourne encouraged 27 teenage carers to think about themselves for once?
Design Council's 70th anniversary: Four of the most intriguing prototypes from Ones to Watch

Design Council's 70th anniversary

Four of the most intriguing prototypes from Ones to Watch
Dame Harriet Walter: The actress on learning what it is to age, plastic surgery, and her unease at being honoured by the establishment

Dame Harriet Walter interview

The actress on learning what it is to age, plastic surgery, and her unease at being honoured by the establishment
Art should not be a slave to the ideas driving it

Art should not be a slave to the ideas driving it

Critics of Tom Stoppard's new play seem to agree that cerebral can never trump character, says DJ Taylor
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Bill Granger's winter salads

Salads aren't just a bit on the side, says our chef - their crunch, colour and natural goodness are perfect for a midwinter pick-me-up
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George Ford: Cool head ready to put out dragon fire

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Michael Calvin's Last Word

Time for Old Firm to put aside bigotry and forge new links