You probably know a few people who just shouldn't be allowed to send emails. You might've tried to gently train them to stop sending stupid forwards or using gaudy signatures and failed. Well, now it's time to show them this:

Republished with permission from Matthew Inman aka "The Oatmeal," a former web designer turned comic artist. You can see more of his work on The Oatmeal. Matthew is a one man operation, so be sure to check out posters and prints from his shop.