Apple is still committed to pushing iPhone 5c sales, as evidenced by a new large interactive ad now running on the front page of the New York Times website — an uncommon move from Apple. Colored dots run across the page before settling in the ad, which occupies a large section on top of the page. The ad features eight separate animated videos with sound effects or music, including Tchaikovsky’s “Waltz of the Flowers,” Nena’s…