Evgeny Shadchnev
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InvisibleHand
InvisibleHand is a Firefox addon that compares prices as you shop online and notifies you about better deals on the items you're browsing (e.g. "Save 10%! This product is £100 cheaper on Dixons.co.uk").
InvisibleHand is a Firefox addon that compares prices as you shop online and notifies you about better deals on the items you're browsing (e.g. "Save 10%! This product is £100 cheaper on Dixons.co.uk").