http://news.zdnet.com/2100-9595_22-6061438.html "MacDonald's trades have gone as follows:
• Paper clip for a fish-shaped pen
• Fish-shaped pen for a clay doorknob with a funny face on it
• Clay doorknob for a camping stove
• Stove for a generator
• Generator for an "instant party"
• Instant party for a snowmobile
• Snowmobile for an all-expenses-paid trip to Yahk, British Columbia
• Yahk trip for a panel van
• Van for a recording contract
• Recording contract for the year of free rent in Phoenix"
It all started with a red paperclip.