This add-on illuminates the corporate and political power structures of the 1%. These ubiquitous relationships are often complex and unknown. It reveals the connections between corporations, brands and individuals by clarifying who owns what.
Here is more about the add-on from the developer:
This addon iterates through all of the html text in your browser and whenever it finds a person or corporation from the data, it illuminates that relationship a little bit.
It appends that person, brand or corporation with who they are owned by, sponsored by, or acquired by. Data was compiled mainly from the Little Sis API, lists of lists on Wikipedia, and other corporate watchdog sources.
Want to learn more about the Internet Illuminator? Check it out on the Firefox Add-ons website.