By Adam Pash, 12:30 PM on Tue Oct 6 2009, 16,784 views (Edit, to draft, Slurp)

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Firefox only (Windows/Mac/Linux): Firefox extension The Camelizer adds a small button to online retailers Amazon, Newegg, and Best Buy that, when clicked, displays price history charts and item watch features to help you make a smart buy.

(Click the image above for a closer look.)

Once you've installed the experimental extension (the experimental part means you'll have to tick a checkbox agreeing that it could be unstable before you can install it), just start doing your normal shopping around on Amazon, Newegg, or Best Buy. You'll notice a small Camel button strip on the left of your browser. To bring up Camelizer's price history charts, just click the Camel button. As you can see in the screenshot above, on Amazon Camelizer compares Amazon's price history with third party new and used prices.

Camelizer also adds a Track This Product button to the supported sites that can help you keep an eye on a specific product and send you email or Twitter alerts when the price of the product you're tracking falls below a user-defined threshold.

The extension and the supporting web site (camelcamelcamel.com) are a little young, and as such sometimes light on data, but it's a great idea that could certainly come in useful for finding the best price and helping you make more informed purchasing decisions.

The Camelizer is a free Firefox extension, works anywhere the 'fox does.