• Unsolicited and generally unwelcome email which is sent to multiple, often millions of users. common varieties of spam include get-rich quick schemes, chain letters, supposed discount offers, invitations to pornographic Web sites, and appearance-related ruses such as those pertaining to sex, body-part enhancement, weight reduction, and so on. There are various views on the origin of the term, including references to a meat-like product, which like its email counterpart is ubiquitous, yet generally unappetizing and unwanted. One measure to counter spam which usually backfires is clicking on a link offering removal from a list, or sending an email to the effect, as this only serves to inform the sender that this address is indeed currently active, which in turn paves the way for even more spam.
  • The sending of the same messages or postings to numerous newsgroups or users.

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