1. D D there was a temporary need for accommodation in the city. *: “Hearing that there was a conference coming to town and there were no hotel rooms available, they created the website airbedandbreakfast.com where they advertised three airbeds in their home at $80 each a night, breakfast included.” 2. C C rent out properties nationally. *: “Their idea was to target conferences and festivals across the USA, getting local people to list their rooms and travellers to book them” 3. B B both the guest and the host have to pay. *: “They began to charge three per cent to the host and between six and twelve per cent to the traveller, depending on the price of the booking.” 4. C C their own home. *: “By April 2009, when larger investments began to arrive, they moved the company out of their flat into a new state-of-the-art office and hired more staff.”