Google Bombing Defined:
(GOO.gul bawm.ing) n. Setting up a large number of Web pages with links that point to a specific Web site so that the site will appear near the top of a Google search when users enter the link text. (Note that Google™ is a trademark identifying the search technology and services of Google Technologies Inc.)
—n. Google bomb.
Note – Usually the work of Bloggers for non-profit hijinx.
It just illustrates the power of keyword rich inbound links.