The country's largest wireless provider teased a few details of its upcoming offerings Tuesday while announcing it had completed its $4.4 billion purchase of AOL Inc. The deal is designed to help Verizon Communications Inc. expand in mobile video and advertising as more hours are spent watching video, reading and shopping on phones and tablets. "We see the world shifting very quickly to mobile and we believe that mobile will represent 80 percent of consumers' media consumption in the coming years.