How do applications improve operational efficiency and decision making

Q1- What kind of applications are described here? What business functions do they support ? How do they improve operational efficiency and decision making ?

Q-2 Identify the problems the business in this case study solved by using mobile digital device ?

Q-3 what kinds of business are most likely to benefit from equipping their employees with mobile digital devices such as iphone and ipads ?

Q-4 One company deploying iphones has said “the iphone is not a game changer, its and industry changer. it changes the way the you can interact with your customers and with your suppliers” Discuss thee implications of this statement.