Which of the following is correct regarding mobile devices? A. A very small percentage of U. S. consumers use a mobile device exclusively for their online search needs. B. Mobile devices can enhance productivity and collaboration by making it easier for employees to stay connected. C. The percentage of communication and media consumption performed on mobile devices has begun to decline. D. Mobile devices do not cause any privacy or security concerns for companies. E. Mobile devices make it difficult for employees to multitask.