At its peak in late 2008, spam accounted for more than 90 percent of all email sent in the world. About three quarters of all spam messages promote real products. The money lining spammers’ pockets comes from average people who give in to the temptation to buy cut-rate Viagra or a fake Rolex. Spammers often purchase lists of would-be recipients’ email addresses using key logging software on infected computers or scraping them out of a compromised database on another website. The going rate for a Hotmail account and Gmail account is 1 cent for a valid account.”]