Spanishand English. Retrieved August 4, Videos deemed potentially inappropriate are available only to registered users affirming themselves to be at least 18 years old. Users of the YPP can have their videos "demonetized" if YouTube feels that the content is not advertiser-friendly. In some cases, the message "This video is not available in your country" may appear because of copyright restrictions or inappropriate content. Retrieved September 11,
Retrieved December 4,
YouTube started as an online dating site
Retrieved March 13, Worldwide except for blocked countries. YouTube featured an April Fools prank on the site on April 1 of every year from to Retrieved January 19, October 13, . UK government suspends ads amid extremism concerns".