Many have talked about embedding data in the digital file for some time. TIFF actually stands for Tagged Image File Format. Many pieces of hardware already use that capability to embed data in the file for other hardware to use to interpret the file's visual data. Now people can also do so, with almost as much ease. Two groups continue to work on this the IPTC (International Press Telecommunications Council) and the VRA (Visual Reource Association).
The VRA's embedded Metadata Working Group has created a VRA metadata panel for Adobe's products, which uses the VRA core metadata structure, a similar though more complex than Dublin Core structure.
The IPTC Photo Metadata Working Group has issued a Manifesto encouraging this effort in May 2011.
Photographers, film makers, videographers, illustrators, publishers, advertisers, designers, art directors, picture editors, librarians and curators all share the same problem: struggling to track rapidly expanding collections of digital media assets such as photos and video/film clips.
With that in mind we propose five guiding principles as our "Embedded Metadata Manifesto":
1. Metadata is essential to describe, identify and track digital media and should be applied to all media items which are exchanged as files or by other means such as data streams.
2. Media file formats should provide the means to embed metadata in ways that can be read and handled by different software systems.
3. Metadata fields, their semantics (including labels on the user interface) and values, should not be changed across metadata formats.
4. Copyright management information metadata must never be removed from the files.
5. Other metadata should only be removed from files by agreement with their copyright holders.
Check out these two sites to learn more.
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