The article written by Peter Woodman addresses the problem of the decreased supply of aviation fuel during a short period of time in June 2012. The Manchester airport gets its fuel from the near Port on Merseyside. There was an interruption in the supply of the fuel which caused the airline to send out precautions to the passengers - their flights might be cancelled or delayed. Since the airport uses over three million liters of aviation of fuel per day, this shortage of supply created temporary problems for the airport. In other words, there was a problem because the demand of aviation fuel was high but the supply of fuel was low which caused the Manchester airport to think of alternatives for their passengers and flights. This supply issue falls under the category of a "shock" - an unexpected event that occurs that causes the decrease supply of a particular good.

Apple sold 72 million iPhones in 2011 to more than 100 countries. It is said that Apple will sell 57 million more iPhones per year in China since the demand is increasing. There are currently 650 million people who are branched to China Mobile which does not carry the iPhone network which includes 100 million who have found ways to use the iPhone through the network. Next year, China Mobile will change to the 4G network which will allow those additional 500 million people to get the iPhone.