In hip-hop, beefs are as common as beats. At one point, these verbal altercations drove the production of new music, as responses to one artist's slander began to come in the form of "diss tracks," which would provoke even more responses in the form of hip-hop music. But with modern technological advances—the internet and the ease of which mixtapes are produced—rappers and other musicians have taken their words to the Web, gaining online followings that rival their record sales.