A popular feature of Amazon is the ability for users to submit reviews to the web page of each product. As part of their review, users must rate the product on a rating scale from one to five stars. Such rating scales provide a basic idea of the popularity and dependability of a product.
Search Inside the Book is a feature which makes it possible for customers to search for keywords in the full text of many books in the catalog. The feature started out with 120,000 titles (or 33 million pages of text) on October 23, 2003. There are currently about 250,000 books in the program. Amazon has cooperated with around 130 publishers to allow users to perform these searches. To avoid copyright violations, Amazon.com does not return the computer-readable text of the book but rather a picture of the page containing the found excerpt, disables printing of the pages, and puts limits on the number of pages in a book a single user can access. Amazon is planning to launch Search Inside the Book internationally. Additionally, customers can purchase access to read the entire book online via the Amazon Upgrade program, although the selection of books eligible for this service is currently limited.
According to information in Amazon.com discussion forums, Amazon derives about 40% of its sales from affiliates, whom they call "Associates." An Associate is essentially an independent seller or business that receives a commission for referring customers to the Amazon.com site. Associates do this by placing links on their websites to the Amazon homepage or to specific products. If a referral results in a sale, the Associate receives a commission from Amazon. By the end of 2003, Amazon had signed up almost one million Associates. Associates can access the Amazon catalog directly on their websites by using the Amazon Web Services (AWS) XML service. Amazon was the first online business to set up an Associates program. The idea has since been copied by many other online businesses. AStore is a new Associates product that gives the power to create a professional online store, in minutes and without the need for programming skills, that can be embedded within or linked to from your website.
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