Bookmarklets are simple JavaScript applications that you run from within your browser bookmark toolbar. They are insanely useful and, in the case of plagiarism fighting, very handy to have.

Mahalo describes itself as the world’s first human-powered search engine. It is an attempt to eliminate search engine spam by having humans write and maintain the top search results.
It is a bold initiative and, to help achieve that goal, Mahalo has created a simple javascript bookmarklet to look for plagiarized or duplicate content. The idea [...]