Do you have a spare room in your house? What about a ___1___ for your car? Both of these can help you make _____2_______. Many people who are feeling the pinch are taking advantage of what's been called the " ____3_____" . Perhapse the best-known example of a company in thei field is Airbnb, an American web business which allows you to rent out your spare room to ___4____ .it says it operates in 34,000 cities and it has 800,000 listing of ____5_____ and apartments. They seem to have cornered the market!