10 things that make you forward e-mails

Interesting read, if a little bit behind the curve.

BBC NEWS | UK | Magazine | 10 things that make you forward e-mails: "10 things that make you forward e-mails
The world's inboxes are crammed with e-mails containing jokes, pictures, movies, tests or games and which are sent to millions of people within a few hours. They're not just the preserve of skilled hobbyists, they are increasingly part of advertisers' strategies to create so-called 'viral' campaigns. What is it about the best e-mails which makes them so compelling? "