Additionally, companies were categorized according to their type of revenue model. Some 80% of the top 10 companies are advertisers. The only exceptions to this rule are Adobe and Amazon. Adobe offers a mix of software and services, including traffic analytics. Amazon is in the business of both consumer-retail sales as well as Web hosting with the Amazon Web Services (AWS) division. At present it is unclear if AWS data is integrated into Amazon product recommendations or deals, but the possibility exists.