Proquo.com, what're your thoughts on it/experiences?

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Supposedly Proquo.com reduces the amounts of junkmail you get drastically and with the way my gmail is lately because one of my sites databases got hacked into, some personal information, luckily no financial information is all over the internet in places I never signed up for and when I try to do unsubscribing it signs me up for 20 other places. Has anyone ever used this, and seen a reduction in junkmail?