How to Compare prices when shopping online with Invisiblehand for Mozilla Firefox

Wish there were a way to automatically find the best prices when shopping online? Well, there is. And with the Invisiblehand add-on for the Mozilla Firefox web browser, it's easy! So easy, in fact, that this home-computing how-to can present a complete overview of the process in just over two minutes. For more information, including detailed, step-by-step instructions, and to get started using this extension yourself, watch this video guide.