There is a monetization feature in the addon. Here is how it works:
1) This feature is turned off by default
2) When users visit amazon.com, an info bar will appear at the top of page, telling users you can enable the price comparison and similar product feature.
3) If users enable this feature, the product information wil send to servers of superfish.com on some e-commerce and review sites, such as amazon, ebay etc. NO Personal Information is sent to their servers.
4) Superfish servers do price comparison or produce similar products and return the result back to the page.
5) If users buy products from the links provided by superfish, we will get a little money.