| http://www.w3.org/ns/prov#value | - > For all other media, including print media not intended to be read at hand, e.g., billboards, the user agent should size a CSS pixel so that it subtends a angle to the eye approximately equal to 1/96 of an inch at arms length; however, the user agent may take into account user-agent-specific constraints such as display technology, user preferences, and consistency with other applications on t
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