If you're too young to know what that means ... here you go.According to this Boing Boing article, The Yes Men posed as representatives of the National Petroleum Council at the Oil and Gas Exposition in Calgary, Canada last week.
One of them proceeded to give a speech discussing a plan to head off the fossil fuel crisis by converting the billions of people who die each year into oil.
They got quite a way into the presentation before organisers realised the pair were imposters.
