160 billion emails are sent daily, 97% of which are spam.
Spam generates 33bn KWt-hours of energy every year, enough to power 2.4 million homes, producing 17 million tons of CO2.
9 out of every 1,000 computers are infected with spam.
A spammer get 1 response to every 12 million emails they send (yet it still makes them a small profit).