engadgethd.com, 24-10-2009 को पुनःप्राप्त "Blu-ray Disc Next-Generation OpticalStorage: Protecting Content on the BD-ROM" (PDF). DELL. मूल से मार्च 31, 2007
Shipbuilder Financial Chemical Retail मनोरंजन Flash memory Aviation Opticalstorage Mobile phones Smartphones Hard disk drive आय US$ 211.940 billion (2018)