of course it works! no one would expend the significant time and resources that are required to spam effectively these days if there wasn't any reward. It's a n

of course it works! no one would expend the significant time and resources that are required to spam effectively these days if there wasn't any reward. It's a numbers game, they just blast their ads (which are generally for high profit margin things that appeal to people in a desperate/impulsive mental state: penis pills, forex, get rich quick schemes etc) to as many people as possible, if you hit 100 million email addresses, and 1% of them get through spam filters, i'd bet you'd get more than one conversion.