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Epic Tech IPOs: Triumphs, a Travesty, and a Tragedy: A look back at some of the most successful tech IPOs ever, and some that didn't go as well View It.

Zuckerberg's Social Graph: From board members and employees to fellow CEOs, Facebook alumni, and others View It.

Pinterest Stake Fuels Rakuten's Quest to Be a Global Player: Rakuten's spending spree continues with a $100 million stake in photo-sharing site Pinterest View It.

Facebookmania Begins: The social network makes its long-awaited debut in the public market View It.

Nine Things You Should Know About Facebook's IPO: Before diverting your child's college savings fund to invest in Facebook stock, read our take on the biggest "liquidity event" of the social-media era View It.

Better Gas Mileage, Thanks to the Pentagon: Detroit eyes new fuel technologies being developed for tanks View It.

Meet the New Yahoo! Boss: Ross Levinsohn, the fifth CEO in four years, has a mixed record View It.

Yosi Glick's Smarter Movie Recommendations: His startup Jinni, and its Entertainment Genome, aim to do for film and TV what Pandora did for music View It.

The Health-Care Industry Turns to Big Data: Analytics specialists like IBM run numbers to improve patient care View It.

'Adaptive Radio': The Next Big Thing in Wireless?: A trial in England shows the power of the long-range, high-speed technology View It.

Startups Hit Cute Mascot Overload: The return of the cutesy startup mascot View It.

Liz McDougall on Defending Classified Ads for Erotic Services: Village Voice Media's new general counsel quit her firm to defend online classifieds for erotic services, which are accused of enabling sex trafficking View It.

Bloomberg View: Facebook's Other Founder: Singapore sling: the Eduardo Saverin story View It.

How Mark Zuckerberg Hacked the Valley: A look at the daring decisions that took Facebook's price tag from $1 billion to about 100 times as much View It.

Facebook's IPO: Who Gets Rich: Assuming Facebook hits $104  billion on IPO day View It.

Is Facebook Sucking Oxygen Out of the IPO Market?: Despite the biggest tech IPO ever, the flagging stock market has prompted an increasing number of companies to halt plans to go public View It.

HP Sized Up Sun as a Technology Gold Mine: The most interesting aspect of Hewlett-Packard's assessment of Sun is how critical executives were of HP's technology View It.

The Ellison Files: Oracle Strikes Back: Court documents in a Silicon Valley brawl suggest HP misled customers and partners View It.

Is Google+ a Ghost Town, and Does It Matter?: A new study suggests that Google's social network is a virtual ghost town, where user engagement is rapidly waning View It.

Lockerbie bomber Megrahi is dead: Abdelbaset al-Megrahi, the only person ever convicted in connection with the 1988 Lockerbie bombing, has died at his home in Tripoli from cancer. View It.

Deadly quake hits northern Italy: A magnitude-six earthquake in northern Italy kills at least four people, causing "significant damage" to the region's cultural heritage. View It.

Nato to discuss Afghan withdrawal: Nato leaders are set to hold a summit dominated by Afghanistan, as the alliance prepares to hand over security duties to Afghans by the end of 2014. View It.

Sri Lanka general to be released: Sri Lanka's President Rajapaksa has signed papers to free his political rival General Sarath Fonseka from prison - three years after the civil war ended. View It.

Facebook boss in surprise wedding: Facebook founder Mark Zuckerberg ends a hectic week by getting married to long -time girlfriend Priscilla Chan in a surprise ceremony at his home. View It.

Sudan releases foreign nationals: Sudan releases four foreigners detained last month near in the disputed area near the border with South Sudan, officials say. View It.

Phone hack police chief to retire: The senior Scotland Yard officer in charge of three linked phone-hacking investigations will retire later this year, the Met Police confirms. View It.

Serbia votes for new president: Voters in Serbia have a choice between a reformist and a nationalist as they vote for a president, months after winning EU candidate status. View It.

China activist Chen lands in US: Chinese activist Chen Guangcheng arrives in New York, after his escape to the US embassy in Beijing last month sparked a diplomatic crisis. View It.

Dominican vote likely to be close: Two veteran politicians contest elections in the Dominican Republic after a presidential campaign dominated by concerns over rising food and fuel costs. View It.

Crowded House drummer Jones dies: Crowded House drummer Peter Jones dies at the age of 45. View It.

Chelsea fans jubilant at cup win: Chelsea fans across the world are celebrating their team's historic Champions League win, as a victory parade in west London is planned. View It.

VIDEO: Chen Guangcheng arrives in the US: Chinese activist Chen Guangcheng arrives in New York with his wife and children to begin a new life in the United States. View It.

VIDEO: Maldives' 'apocalyptic' waste island: Although the Maldives are known as an unspoilt tourist paradise, the islands struggle with managing their waste, as the BBC discovered on a visit to an 'apocalyptic' island waste dump. View It.

VIDEO: Norway's self-sufficient prison: The island of Bastoey is home to a prison population that is allowed to wander woods, fields and beaches unhindered by the unarmed guards. View It.

VIDEO: One-minute World News: Watch the latest news summary from BBC World News. International news updated 24 hours a day. View It.

VIDEO: Deadly bomb blast at Italy school: A bomb has exploded in front of a school in the southern Italian city of Brindisi killing at least one girl and injuring six others. View It.

VIDEO: Deadly car bomb blast in Syria: At least nine people have been killed and dozens injured after a car bomb exploded in eastern Syria, according to reports. View It.

VIDEO: Military parade for Queen's Jubilee: Thousands of members of the Royal Navy, Army and Royal Air Force have taken part in a parade and flypast to mark the Queen's Diamond Jubilee. View It.

VIDEO: First theatre opens in SA's Soweto: South Africa is to opens its first theatre in a township - Soweto - once home to former President Nelson Mandela. View It.

Obama: EU 'must focus on growth': US President Obama wraps up a G8 summit saying that leaders agree economies must focus on jobs and growth to boost recovery. View It.

Facebook shares see modest debut: Facebook shares end a volatile first day of trading at $38.23, barely above the company's initial pricing, having initially jumped more than 10%. View It.

Met Police to extract phone data: Mobile phone data of suspects in police custody is to be extracted and retained, regardless of whether charges are brought, the BBC has learned. View It.

Silicon trick for next-gen memory: Researchers reveal details of a promising way to make a fundamentally different kind of computer memory chip. View It.

Baritone Fischer-Dieskau dies: The respected German baritone Dietrich Fischer-Dieskau, famed for his performances of Schubert's song cycle Winter Journey, dies at the age of 86. View It.

Obama leads Donna Summer tributes: President Barack Obama joins a host of music industry luminaries in paying tribute to Donna Summer following the disco star's death at the age of 63. View It.

SpaceX aborts launch at lift-off: The US firm SpaceX aborts the lift-off of its Falcon rocket and Dragon ship to the International Space Station. View It.

Japan urges cuts in power usage: Japan urges businesses and households to cut electricity use by up to 15% to avoid possible blackouts. View It.

US baby boomers in Hep C warning: US baby boomers are advised to get tested for the liver-destroying virus hepatitis C, in a move health officials say could save 120,000 lives. View It.

Dieting 'safe for pregnant women': Dieting in pregnancy is safe and does not carry risks for the baby, a review of research has suggested. View It.

Live - England v West Indies: West Indies reach 212-4 at lunch to lead England by 57 after Shivnarine Chanderpaul and Marlon Samuels dominate at Lord’s. View It.

'Di Matteo deserves Chelsea job': Gianfranco Zola wants Chelsea to appoint Roberto Di Matteo full-time but chief executive Ron Gourlay says there is 'no timescale'. View It.

World's oldest football up close: The Smith Museum in Stirling is unlocking the display case and letting fans hold the oldest football in the world. View It.

Iran 'to sue Google' over Gulf: Google is facing legal action for not labelling the body of water separating Iran and neighbouring Arab Gulf states on its map service. View It.

Bombs kill soldiers in Mogadishu: Somali government soldiers are among five people killed in two bomb attacks in the capital Mogadishu blamed on al-Shabab Islamist fighters. View It.

China tunnel explosion 'kills 20': An explosion in a road tunnel being constructed in central China's Hunan province kills at least 20 people, state media say. View It.

French rally car crash kills two: A rally car ploughs into spectators in the Var region of southern France, killing a marshal and one other person, and injuring 17. View It.

Fourth Mexican officer detained: A fourth senior Mexican officer is detained as part of an investigation into links between the army and drug trafficking cartels. View It.

Powerful car bomb hits Syria city: At least nine people are killed and dozens injured after a powerful car bomb explodes in eastern Syria, officials say. View It.

Maryland allows same-sex divorce: The highest court in Maryland allows gay couples to divorce, even though same-sex marriage is not yet allowed in that US state. View It.

Balls warns of cuts 'catastrophe': Labour's Ed Balls warns the world economy faces a "catastrophe" unless Germany abandons pressure on eurozone countries to cut public spending. View It.

Falklands War memorial unveiled: A service has taken place to dedicate a new memorial at Britain's National Memorial Arboretum to the Britons who died in the Falklands War. View It.

Chemical weapon 'risk' at Kinloss: RAF Kinloss authorities knew the public could be at risk from chemical weapons buried near the base, according to documents obtained by BBC Scotland. View It.

Chopper designer dies from cancer: The designer of the iconic Raleigh Chopper bike dies after a battle with cancer. View It.

Week in pictures: 12-18 May 2012: News photos from around the world View It.

Day in pictures: 18 May 2012: 24 hours of news photos: 18 May View It.

In pictures: Monarchs at Windsor: The world's monarchs gather at Windsor Castle View It.

Hackney's 'beauty and ugliness': A photographer's view of Hackney View It.

In pictures: Royals in North West: Queen's visit to Cheshire and Merseyside View It.

In pictures: Olympic flame tours Greece: Olympic flame tours Greece View It.

Your pictures: Sailing: Readers' photos on the theme sailing View It.

Day in pictures: 17 May 2012: 24 hours of news photos: 17 May 2012 View It.

The Chinese who actually like cheese: The Chinese who actually like cheese... stir-fried of course! View It.

A Point of View: The European Dream Has Become A Nightmare: The European dream has become a nightmare, laments Will Self View It.

Facebook: How the others fared: How have other high-flying internet stocks performed? View It.

Dialogue eludes fragmented Syria: The elusive search for dialogue in battle-scarred Syria View It.

The Queen as seen from the Commonwealth: 'No-one visits Zambia, so waiting to see the Queen felt surreal' View It.

Drogba delivers for Chelsea on the biggest stage: How Didier Drogba's self-belief has been key in Chelsea's glory View It.

Nato's missile shield 'up and running': How worthwhile is Nato's missile defence system? View It.

Somali expat 'thanked' for being rich: Expat millionaire 'thanked' by poor Somalis View It.