(CNN) – Two videos were unleashed in recent days driven by social media campaigns. Korean rapper PSY released “Gentleman,” his long-awaited follow-up to “Gangnam Style.”

More controversial is the release of “Ding Dong,” from “The Wizard of Oz,” sent into the charts as an irreverent response to the death of Margaret Thatcher, which was fuelled by a Facebook campaign.

Anthony Decurtis, contributing editor Rolling Stone, talks to CNN about viral videos and what makes something go 'viral.'

(CNN) – Julia Coronado of BNP Paribas says it's clear that bailout concerns stretch far beyond Cyprus. “The numbers out of Cyprus in and of themselves are not that large … but it’s a reminder of the ongoing issues that are yet to be resolved, and how complicated these issues are,” she tells CNN. “The road stretches long before us, and that’s a worry.”

(CNN) – Bitcoins got a boost in popularity on the heels of the crisis in Cyprus, where people had little access to traditional banking. But as awareness of the digital money grows, so does the volatility.

CNN's Maggie Lake looks at New York bar that is trying to raise the awareness of a currency called bitcoins.

Hong Kong (CNN) – The United States may be on the cusp of the cheapest stimulus package its citizens can imagine - in the form of a  free trade agreement with the European Union across the Atlantic Ocean, according to Karel de Gucht, the EU’s trade commissioner.

But Mexico's candidate for the top job at the World Trade Organization said a deal between the two could pose problems in Geneva.

“The challenge that is posed by the negotiations between the EU and the US is enormous,” said Herminio Blanco.

“We think it's a no-brainer that the United States and Europe should be in negotiations to have a comprehensive, ambitious agenda to not only lower tariffs…but also to deal with regulatory issues, to deal with services,” said Myron Brilliant, senior vice president for international affairs at the US Chamber of Commerce to CNN’s Richard Quest.

Responding to Quest’s challenge that such an endeavor could not be achieved in “our lifetime”, Brilliant said he is mistaken.

“I'll tell you why you're wrong about that. The United States needs jobs. We have an OK economy. We've seen a resurgence in manufacturing. We've seen a potential for a reduction of energy prices, right? But we need a global economic agenda.”

In a lively exchange best watched in the video here or above, Brilliant said the biggest impediments to US-EU success for a free trade agreement - already valued at $5 billion - is regulatory.

(CNN) - Only 1% of kids leaving schools in developed countries understand coding, "and yet that is where a lot of the jobs are," said Frank Meehan, CEO of Kuato. "And kids understand that, they want to learn."

That point got more traction this week, as Bill Gates and Mark Zuckerberg appear with a host of other internet stars talking about the importance of code education.

Kuato CEO explains how it teaches children the basics of coding.

Hong Kong (CNN) – The world has at least 1,453 billionaires, with about half of those residing in the U.S. and China, according to the Hurun Global Rich List.

In terms of cities, Moscow is home to the greatest number of billionaires with 76, followed by New York (70), Hong Kong (52), Beijing (41) and London (40).

"For every billionaire that Hurun Report has found, I estimate we have missed at least two, meaning that today there are probably 4,000 billionaires in the world," said Rupert Hoogewerf, chairman and chief researcher of Hurun Report, a Shanghai-based publishing group that tracks China's wealthy.
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(CNN) – The European Union has pushed through legislation that caps banker bonus at two times a banker’s salary, which has drawn an angry reaction from the city of London Mayor Boris Johnson, who calls the cap will help Wall Street and Singapore, drawing financial talent away from the City. "This is possibly the most deluded measure to come from Europe since Diocletian tried to fix the price of groceries across the Roman empire," Johnson said.

CNN’s Richard Quest explains the ramifications of the move.

London (CNN) – “Let’s stop all this talk of two-speed Europe, of fast lanes and slow lanes, of countries missing trains and buses, and consign the whole weary caravan of transport metaphors to a permanent siding.”

The irony is unmistakeable, but this was a serious call to plain speaking. David Cameron’s words, delivered early on in his seminal speech on Britain’s in the European Union, came as a cruel blow to those of us spending our days attempting to illustrate each tiny increment of this crisis with a language that often falls short.

Read more: Cameron promises referendum on Britain's place in Europe

The consequences are difficult to contemplate. We must wave goodbye to the train of European federalism, end all talk of capital flight, and as for the good ship QE…well, she will be consigned to the scrapyard of mere acronyms. And once you do that, there’s no going back. It’s a one-way ticket.

Much like the prospect of Britain leaving the EU, the potential mortality of our metaphors leaves us with a nagging doubt. Can we survive without this linguistic safety net? No sooner had Cameron finished speaking, the cries of protest against a “Europe a la carte” started up, and the French foreign minister Laurent Fabius hit back with a sporting salvo: “Imagine Europe is a football club and you join, but once you're in it you can't say, 'Let's play rugby.'” Had he simply said, “you can’t pick and choose your European experience,” we probably wouldn’t have remembered.
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Editor's note:  CNN is at the World Economic Forum in Davos. Follow CNN's coverage here.

Davos (CNN ) - "The future's bright ... the future's Orange" was the tag line for mobile phone company Orange's UK advertising campaign in the 90s. It was annoying but it caught on, and was regularly co-opted in conversation whenever someone was looking on the dark side of life. FULL POST

 (CNN) – The 2013 forecast for European economic growth has turned into a prediction for decay. The European Central Bank on Thursday flipped next year's gross domestic product forecast from growth of 0.3% to a fall of 0.9% next year.

Martin Sorrell, CEO of WPP, told CNN's Richard Quest he fears Europe's growth problem will last more than just one year.

"This is a decade of slow growth. We are halfway through it. Hopefully we are halfway through it," says Sorrell. "And there's going to be another three, four, five years of tough stuff until we get out of it around 2017, 2018."
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