As Internet moves from information services to transactional services, prices of products appear so that consumers can make on the spot purchasing decision. For example, if you are a merchant selling PDA, you may want to monitor the prices offered by Amazon.com in the Internet.

1. Go to http://www.amazon.com/ , select Electronics->Browse Categories->Palm Platform.
2. If you want to track promotions on Palm at Amazon, click on the "Track me!" button and then click on the Ok button on the pop up window.