google bomb

What is google bomb algorithm and how it will help in search engine optimization process?
Is it necessary to boost ranking and keyword position

"Google bombs" are collective efforts to link to a site by a key phrase and artificially elevate a Web site in the Google search results for that search phrase. Google bombs rely heavily on the influence of PageRank. Some Google bombs are politically motivated, while others are done as pranks, and some may have been motivated by ego or self promotion.

Google bombing refers to manipulating Google Algorithm by linking from same anchor/URL from large number of sites to the target URL. Famous 'Miserable failure' is the best example for Google bombing.

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