Cloud, John (December 25, 2006). "The YouTube Gurus". Time. Archived from the original on January 25, 2018. Retrieved September 22, 2018 – via content.time.com.
Cloud, John (December 25, 2006). "The YouTube Gurus". Time. Archived from the original on January 25, 2018. Retrieved September 22, 2018 – via content.time.com.