The Alexa Web Information Service is designed to allow developers to build applications and/or services utilizing Alexa data.

Use ScoutPal with any web-enabled cell phone or wireless PDA and find out the Amazon Marketplace value of books, CDs, DVDs, video tapes, or any other Amazon Marketplace Merchandise, while you are out bookscouting.

A clean and uncluttered way to shop at Amazon, along with relevant links to outside sources

New book from 37 Signals