The Platform for Internet Content Selection (PICS) specification enables metadata to be associated with Internet content. It was originally designed to help parents and teachers control what children access on the Internet, but it also facilitates other uses for labels, including code signing and privacy. [1]

PICS defines a general format for labels and three methods by which these labels may be transmitted [2]:

In an HTML document (using HtmlMetaTags)
With a document transported via a protocol that uses RFC-822 headers (e.g. HTTP)
Separately from a document (by contacting a label bureau)

PlatformForInternetConten7216E

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