have you ever imagined having one electronic device that does everything you would ever need

a. What commercial activities can be done with a cell phone? With a cell phone PC combination device? What do you do when you’re on your cell phone? What do you expect to be doing in five years?
b. How can businesses utilize this technology to attract more customers, sell more products, advertise their products, facilitate the sale of products, and conduct and manage their businesses more efficiently and effectively?
c. What are some problems or drawbacks you can see with using these devices in business?