They are radical, aggressive 1960s bands such as The Velvet Underground,[1] The Stooges, MC5, 70s bands like Ramones, The Sex Pistols, The Damned, The Clash, and 80s hardcore punk bands like Discharge.[2] Some underground styles eventually became mainstream, commercialized pop styles, as did for example, the underground hip hop style of the early 1980s. In the 2000s, the increasing availability of the Internet and digital music technologies has made underground music easier to distribute using streaming audio and podcasts. Some experts in cultural studies now argue that "there is no underground" because the Internet has made what was underground music accessible to everyone at the click of a mouse.