Add extra features and styles to make Thunderbird your own.Close
|User since||January 27, 2009|
|Number of add-ons developed||1 add-on|
|Average rating of developer's add-ons||Rated 4 out of 5 stars|
Automatically get the lowest price when you shop online or search for flights. InvisibleHand shows a discreet notification when a better price is available on a product or flight you're shopping for. Covers over 580 retailers in the US, UK & Germany.
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