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• SELECTIVE BINDING: the
creation of multiple editions of a periodical, catalog, etc. by varying
the selection of signatures within each version. "Versions" are
determined by demographics, purchasing habits, and other databased
information about readers. Each version contains a signature or
signatures of targeted interest that the other versions do not have.
• Computer-controlled automatic gathering machines and
computerized ink-jet addressing systems are the primary tools of
selective binding and versioning.
•Automatic gathering machines contain receptacles,
called pockets or hoppers, that hold folded signatures in order for
rapid, in-line assembly on a saddle- stitcher or an adhesive-binding
unit. The more pockets the gathering machine contains, and the faster
it can be made to feed high-speed binding equipment, the more versions
the bindery line can create.
• Ink-jet addressing enables distribution to keep up
with production by correctly matching each versioned copy to its
designated recipient. Ink-jet printers spray microscopic droplets of
electrostatically charged ink onto personalized pages, mailing labels,
or blank mailing spaces on covers from a computer-controlled print
head.
• The computer furnishes names, addresses, and other
information, one label or field at a time, from the publisher's
circulation data banks. The printing of the labels can be made to
conform to the categories of information that define the
versions--geographic location, household income, reader-survey
responses, or whatever other key characteristics the publisher wishes
to target.
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