Flutterby™! : Who bought which Congressperson?

Greenhouse is a browser plug-in that looks for the names of Congress members in web pages, and when you hover over them gives you a pop-up with a list of their major campaign contributors, with dollar amounts.

The Daily Dot notes that:

... For example, I brought up an article on the recent failed bipartisan energy efficiency bill that was shot down via filibuster, with Senator John Cornyn playing a major role in its defeat. A quick mouse hover over Cornyn’s name revealed the likely cause: a campaign contribution of over $1 million from the oil and gas lobbies. What a coincidence!

Edit: Shawn pointed me to http://days.maybemaimed.com/po...te-thinksquad-the-murky-world-of which points out that

This makes an HTTP POST request to the site at http://data.nicholasrub.in/data.php and in addition to sending along some information about the political candidate it recognized on the page you loaded, it also sends along the URL of the page you loaded and the page’s title.

It's gotta post it somewhere, and I totally understand why a developer might cache that data on their own server, but be aware. Also, this plug-in may cause performance issues.