Dupe

Dupe
A duplicate listing of the same person, household or organization in a mail, telephone or e-mail list. The listing may not be a complete duplicated to be considered a dupe.

Dupe " Short for duplicate or duplication. Names that appear more than once in a mailing list.
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E-mail Appending " Adding individual e-mail addresses to an database of names and postal addresses.

Dupe/Duplicate content - usually used in reference to a penalty applied by a search engine for the same content appearing on different pages/sites. In theory, the site/page that was added to the search engine last should be the one that is penalized.

De Dupe Identifying and consolidating duplicate names usually done in a merge/purge operation.

Deduplication (de-dupe)
The identification and removal of duplicate names and addresses from a database.

* DP is an added costs if you have to merge/purge your lists or "de-dupe" or enhance
them with other data.
** Different costs depend on different levels of qualification.

Sites with duplicate content are either mirrors, portals or affiliates, none of which should be necessary for the hard-working SEO. While there are exceptional circumstances where duplicate content is needed, more often than not dupe-content is a ...

See also: List, Offer, Database, Insert, Marketing