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Digital goods or e-goods are intangible goods that exist in digital form. Examples include Wikipedia articles; digital media, such as e-books, downloadable music, internet radio, internet television and streaming media; fonts, logos, photos and graphics; digital subscriptions; online ads (as purchased by the advertiser); internet coupons; electronic tickets; electronically treated ...

It is the basis for most media compression standards, including digital image formats such as JPEG (1992), video coding formats such as H.26x (1988 onwards) and MPEG (1993 onwards), and audio compression standards such as Dolby Digital (1991) and MP3 (1994). 1973 Invention

A portable media player ( PMP) or digital audio player ( DAP) is a portable consumer electronics device capable of storing and playing digital media such as audio, images, and video files. The data is typically stored on a compact disc (CD), Digital Video Disc ( DVD ), Blu-ray Disc (BD), flash memory, microdrive, or hard drive.

Digitization is the process of converting information into a digital (i.e. computer-readable) format. The result is the representation of an object, image, sound, document or signal (usually an analog signal) by generating a series of numbers that describe a discrete set of points or samples.

Digital multimedia broadcasting (DMB) is a digital radio transmission technology developed in South Korea as part of the national IT project for sending multimedia such as TV, radio and datacasting to mobile devices such as mobile phones, laptops and GPS navigation systems.