Full iTunes Plus availability was achieved in the US on April 7, 2009, coinciding with the introduction of a three-tiered pricing model; however, television episodes, many books, and films are still FairPlay-protected.
iTunes Plus的全面化推廣於2009年4月7日在美國商店完成，伴隨著推出三段式的定價系統；然而，電視節目、許多書籍和電影依然受到FairPlay的保護。