Write an essay on:
1) How have mobile devices and social media changed the work environment" (150 words)
2) The small publishing company you work for wants to create a new database for storing information about all of its author contracts. What factors will influence how you design the database? (150 words)
3) What is Web 3.0, and how do you think Web 3.0 developments could impact businesses? (150words)
4)List and describe the four information systems serving each of the major functional areas of a business