The essential problem with spam is that it's so cheap to send it out that it might as well be free. This applies to both "I am a representative of the UN and wa

The essential problem with spam is that it's so cheap to send it out that it might as well be free. This applies to both "I am a representative of the UN and want to send you $14 million"-type of "scam spam" as well as "you bought something years ago and now we'll spam you" type of "corporate spam". So basically: it doesn't hurt to try.