付费电视
Pay television has become popular with cable and satellite television. Pay television services often, at least two to three times per year, provide free previews of their services, in order to court potential subscribers by allowing this wider audience to sample the service for a period of days or weeks; these are typically scheduled to showcase major special event programming, such as the pay cable premiere of a blockbuster feature film, the premiere (either a series or season premiere) of a widely anticipated or critically acclaimed original series or occasionally, a high-profile special (such as a concert).