<span class="comment">Patrick Hunlock - </span><a href="http://www.hunlock.com/blogs/Bookmarklets_--_The_Evil_Lurking_In_Your_Browser" title="Bookmarklets -- The Evil Lurking In Your Browser">Bookmarklets - The Evil Lurking In Your Browser</a>:

"Bookmarklets are incredibly useful tools. They can put your favorite sites at your fingertips as easy as dragging the icon in the location bar to your bookmark bar -- you can also drag RSS feeds, and you can drag scripts. While mostly benign, often very useful, and definitely under-exploited, bookmarklets are one of the biggest security holes lurking in your browser in addition to being the biggest thing waiting to hit the web since Ajax."