In 1999 the first hard drive based DAP using a 2.5" laptop drive, the Personal Jukebox (PJB-100) designed by Compaq and released by Hango Electronics Co with 4.8 GB storage, which held about 1,200 songs, and pioneered what would be called the jukebox segment of digital music portables.[40] This segment eventually became the dominant type of digital music player.