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Defining the '00s: A Decade of Doom or Diversions?
What defines a decade that encompassed 9/11, Katrina, iPods, Facebook and 'Celebreality'?
Political Partisanship Marks Decade's Legacy
Stubborn divisions survived earth-shattering political events.
Technology: Most Significant Innovations of the Decade
From smart phones to social networking, a look at the past 10 years.
ABC News Photo Illustration