QUESTION
(a) Briefly describe three sticky features that Web sites use to attract and keep visitors.
(b) Provide a detailed discussion on cookies, by giving two advantages and two disadvantages.
(c) Briefly discuss two important measures of a Web site's performance.
(d) Distinguish between Pay-per-click, Pay-per-lead, Pay-per-sale and CPM (cost-per-thousand) models.
(e) Explain the differences between centralized and decentralized Web server architectures. Describe the characteristics of Web site that could successfully use a centralized architecture.