YouTube would not officially confirm the number of overall viewership. (Keep your eyes out for a YouTube blog post.) Whether that is the largest livestream YouTube has ever conducted may not completely confirmed, but it is pretty clear.

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Also on Friday, FIFA confirmed that Brazil will not be completely ready to host June's Confederations Cup -- a precursor event to next year's World Cup in the South American country.

CNN: FIFA chief Blatter must quit, says anti-racism campaigner

If that result is confirmed, it would change the ethics completely.

ECONOMIST: AIDS

My surgery went fantastically well, and a quick series of self-tests performed while still in my hospital bed confirmed my belief that cognitively, I was completely intact.

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Mr Menezes, who lived in Tulse Hill, was completely unconnected to Thursday's attempted bombings, Scotland Yard has confirmed.

BBC: NEWS | UK | Police chief 'sorry' over death

In the new work he presented to the meeting, he looked systematically at the causes of bias in such research and confirmed that the results of observational studies are likely to be completely correct only 20% of the time.

ECONOMIST: Why so much medical research is rot

Although Weiner did step down from all of his duties as congressman, his home was not completely off the market and recently went into contract, the New York Daily News confirmed with a Madeleine Realty receptionist.

FORBES: Anthony Weiner's New York Co-Op Sells Quietly

Conservative party chair Grant Shapps confirmed that he had contacted Mr Afriyie about the stories and been told they were "completely untrue".

BBC: Adam Afriyie denies plot to oust David Cameron

Apple has confirmed its commitment to environmentally responsible business practices with the announcement that the facility will be powered completely by clean, renewable energy by the end of 2012.

FORBES: Apple Data Center to Run Entirely on Clean Energy