InvisibleHand for Firefox for Windows

InvisibleHand automatically finds the lowest price on hotels, regardless of which travel site you use. It also provides one-click access to verified hotel reviews, and hotel amenity info.InvisibleHand automatically finds the best prices on online shopping, flights & hotels in US, UK & Germany.Checks for better prices and automatically shows a discreet notification when you're browsing a product which is cheaper at another retailer, or searching for a flight Currently supports over 580 US, UK & German retailers, and over 589 airlines. Also provides one-clicks access to product reviews about the product you're browsing.