sentences:  They feature music, video, and podcast support, and come with Wi-Fi and FM Radio.The D-pad of the original Zune has been replaced by the Zune pad, which allows for touch-sensitive controls in addition to 5-way clicking.Wi-Fi is used for wireless synchronization and for sharing photos, podcasts, and music with other Zunes, although shared songs may only be played three times by the receiving Zune.