Track Black Friday prices with Invisible Hand add on for Firefox
We've covered Invisible Hand, the discreet shopping comparison add on for Firefox, which displays prices on items you are searching on the web. Just in time for Black Friday, the hand has trotted out a new add on which along with other improvements, incorporates Google search results.
Now, you can get your price results in real time so you know you're getting the best deal. My test drive of ...





