An estimated 80 percent of e-mail is spam, according to a study done by Yale University. This translates to more than 200 billion spam e-mails a day, about 80 percent of which are for pharmaceuticals.
More facts about spam:
- The three most effective types of spam are for pornography, pharmaceuticals and Rolex watches.
- Workers spend an average of 16 seconds deleting 20 spam messages per day.
- Contrary to popular belief, Nigeria is not one of the world's top sources of spam e-mail. Companies and people from the United States send the most spam e-mail, with more than 6 million spam e-mails sent per day, followed by Brazil, with about 3 million, and India, with about 2 million.