Industry Association of America launched its first lawsuits on 8 September 2003, against individuals who illegally downloaded music files from the Kazaa FastTrack network. Two years after it began, the campaign survived at least one major legal challenge. The RIAA said it filed 750 suits in February 2006 against individuals downloading music files without paying for them in hopes of putting an end to Internet music piracy. The RIAA hopes their campaign will force people to respect the copyrights of music labels and eventually minimize the number of illegal downloads. The Official Charts Company began to incorporate downloads in the UK Singles Chart on 17 April 2005, at which time Radio 1 stopped broadcasting the separate download chart, although the chart is still compiled. Initially this was on condition that the song must have a physical media release at the same time; this rule was fully lifted on 1 January 2007, meaning all download sales are now eligible in the chart. Sales records United Kingdom Music downloads have been measured by the Official Charts Company since 2004 and included in the main UK Singles Chart from 2005. As of September 2014, the most downloaded song in the UK was "Happy" by Pharrell Williams, with over 1.8 million downloads. United States In November 2005, the record for the best-selling downloaded single in the United States was held by Gwen Stefani's "Hollaback Girl", which sold over one million downloads, making it the first song to achieve platinum download status. , the record for the best-selling downloaded single in the United States on the iTunes Store is held by The Black Eyed Peas's "I Gotta Feeling", which has sold over 8 million downloads. Soon after his death in 2009, Michael Jackson became the first artist to sell over one million songs downloaded via the Internet in one week. However, Adele marks the most downloads sold by a single song in a week, with "Hello" selling 1.12 million copies in November 2015. Eminem's seventh studio album, Recovery (2010), became the first album to sell one million digital copies. Beyoncé's self-titled fifth studio album became the fastest-selling album within 24 hours in iTunes history after its release in December 2013. Within 24 hours of availability, the album sold 430,000 digital copies. Adele's third studio album 25 became the fastest-selling album in a week in iTunes history after it was released on 20 November 2015. It