'Gangnam Style' hits 2 billion YouTube views

"Gangnam Style" has become the first YouTube video to break 2 billion views. The music video hit the record late Friday night, 525 days since it accumulated 1 billion all-time views in December 2012. That second billion took three times longer than the first, which was achieved just 159 days from the video's release on July 15th, 2012. The second place video on YouTube is still the music video that "Gangnam Style" dethroned: Justin Bieber's "Baby," which has just half the number of views as "Gan...