Please answer A and B separately case study

A. Read the case study.Interactive Session: Management, Meet the New Mobile Workers. We are seeing this trend more every day in our digital society.

-What kinds of applications are described in this case?

-What business functions do they support?

B. Discuss how smart phones, tablets, and other mobile devices can be used in running a business.Consider all types of devices, such as Android, Blackberry, iPhone, and Windows phones.What problems are solved in this case by using mobile devices?