I think flagging is ineffective after a post has passed 10 upvotes (it's at 49 right now.)
What's the use of this? I don't get the point.
The point is to install it, watch Jimbo Wales appear at the top of porn and lolcats sites, giggle, then uninstall it five minutes later. It serves this purpose fairly well, although there are a few issues with web pages which use absolutely-positioned elements located on top of the donation banner.
It's silly. That's why.
installing on other computers in office ;)
It looks like the banner is placed at the top of a div element with an id similar to "content" or at the top of the body.