High Quality Content by WIKIPEDIA articles! The definition combines two terms which hold similar characteristics. The term digital primarily refers to computers and electronic mediums. Exhaust, the gaseous by product of combustion, is largely considered waste. However, with the invention of renewable sources of energy such as hydrogen fuel cells, the term exhaust has been expanded to hold a more positive connotation. The combination of the terms captures the idea that an electronic medium can produce its own exhaust system. The output is not air, gas, or pollutants but instead photos, videos, blogs, and knowledge.

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