USA Today's 25 Years of Great Music

8'N Sync (2000)
While Backstreet Boys, Britney Spears and the Spice Girls enjoyed the spoils of the teen-pop trend, nobody scaled the charts like 'N Sync, whose bouncy No Strings Attached sold 2.4 million copies its first week, pop music's biggest opener ever.
http://www.usatoday.com/life/top25-musicmoments.htm