the extension

Where Sonion works.

Sonion sits in the corner while you shop. Open a product page, and he checks what every public rating source says about it. When they agree, you'll see it. When they don't, you'll see that too, along with who funds each opinion. He won't nag, he won't block anything, and he only reads the product info already on the page.

He works on a short list of big retailers out of the box. Every other shop is opt-in, one domain at a time: you decide where he runs, and you can take any site back off the list here whenever you like.