I have use for my business VIP Email Database company. It is help full for my product email list provider. Thanks,
http://www.vipemaildatabase.com/

I'm carrying and recommending it across all my sales functions.

Najlepszy dodatek do szukania nowych kontaktów biznesowych

Love Mozilla!

Good

Very useful addon!

Simple et efficace : s'il y a une adresse mail sur le site, Hunter la trouve !

Parfait pour des recherches rapides

Such a great free version. Great for sales or just showing initiative to get in contact for someone. Super quick and very resourceful, way faster than ever using google to track down emails or trying a bunch of wrong formats and getting bounced.

Yeah pretty good, saved me quite a bit of time in many cases