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CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseReview for 100 Search Engines for Firefox by oscarwilde
Rated 5 out of 5 stars
Desde luego ofrece resultados mucho mas precisos que el obtenido mediante el uso de un solo buscador.
To create your own collections, you must have a Mozilla Add-ons account.