Many customers in the electronics or computer market are confronted with the concept of "optional." This means that something is not available by default. At least that's what many sellers say. Manufacturers describe the technical characteristics of the device in the list and certainly some functionality is noted by this term. From the article, the reader learns what is hidden under the concept of "optional", and is there any point in acquiring products whose functionality is so designated.
Deciphering the term
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