A fast-food company, KKC, has more than 50 shops in Hong Kong. In 2000, it launched its website called kkc.com for promoting its products and letting customers locate the shops. The website did not allow online order. There was no significant increase in the customer before and after kkc.com was launched. Therefore, KKC is planning to incorporate social media in the business. Since 2007, smartphones have been increasingly becoming popular and playing an important role in people's daily lives. Smartphones and mobile technologies also provide KKC new ideas in their business. (a) What is the revenue model for kkc.com in 2000? (2 marks) (b) Briefly explain why there was no significant increase in the customer visiting the shops before and after kkc.com was launched. (2 marks) (c) What are the THREE common types of platforms used as social media strategies for business? (6 marks) (d) Refer to (c), which type of platform do you recommend? How to use it in promoting business? Briefly explain your answer. (5 marks) (e) Briefly explain how smartphones and mobile technologies can provide KKC new ideas in their business