Email fraud alone cost consumers US$630 million between 2004 and 2005.
For some reason, this number is not terribly surprising. Not even a little bit. Americans [generally] have a deep seated desire to get rich quick, by any means possible, the easier the better. To think that an unknown person from around the world wants to give them $40 million, and all they have to do is send $2500 for an airplane ticket is just silly and irresponsible. You get what you pay for ;-)
Funny that Macleans calls it email fraud - I wonder how much is wasted on lottery systems?