December 26, 2012 8:10 am New Technology Improves Kids' Fitness A tech company is turning technology into an impetus for active play in children. NBC’s Erika Edwards reports. US & World Videos 2:28 King Charles returns to public duties amid cancer diagnosis 3:10 Nicole Kidman gushes over family's support at AFI honor 1:39 Benny Blanco talks falling in love with Selena Gomez 3:26 Zendaya weighs in on ‘Challengers' love triangle: Art vs. Patrick? 1:20 Kate Middleton and Prince William share never-before-seen pic on 13th wedding anniversary