Korean rapper PSY's "Gangnam Style" music video trotted into second spot. The video is approaching a billion views on YouTube.

Superstorm Sandy, which knocked out power and flooded parts of the East Coast in the midst of a U.S. presidential campaign, was third.

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US budget deficit reaches $172B in November

The federal government's budget deficit widened in November compared to October, a sign that the nation is on a path to its fifth straight $1 trillion-plus deficit.

The budget gap rose to $172 billion in November, up from $120 billion in October, the Treasury Department said Wednesday. The November deficit was also 25 percent higher than the same month last year.

The government finished the 2012 budget year with a deficit of $1.1 trillion. President Barack Obama and Congress are under pressure to curb the deficit as part of a budget deal to prevent tax increases and deep spending cuts from kicking in Jan. 1.

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Facebook poised to roll out more privacy controls

Facebook is trying to make its privacy controls easier to find and understand in an effort to turn the world's largest social network in to a more discreet place.

The most visible, and perhaps most appreciated, change will be a new "privacy shortcuts" section that appears as a tiny lock on the right-hand side at the top of people's news feeds. This feature offers a drop-down box where users can get answers to common questions such as "Who can see my stuff?"

Other updates will include a tool that enables individuals to review all the publicly available pictures identifying them on Facebook and suggestions on how to request that an embarrassing or unflattering photograph be removed.

Facebook also plans to plant a privacy education page at the top of its users' news feeds within the next month or so to help them better manage their online identities.

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