Amazon introduced the beta version of "Kindle for the Web," which enables people to read and share digital book samples in their browsers without the need to install or download anything. The company says it aims to lure bloggers and website publishers who participate in the Amazon Associates Program to embed samples of Kindle books on their websites.
To get started "Simply click the "Read first chapter FREE" button on selected Amazon book overview pages and a new browser window will open containing the book sample. To buy the full Kindle edition of the book from the sample screen, click the "Get Kindle Edition" button. You may then choose to download the book to your Kindle or other Kindle reading application."
More Info: Kindle for the Web