technical: a group of people used in a study who have something (such as age or social class) in common. Depression was a common problem for people in that age cohort.echnical: a group of people used in a study who have something (such as age or social class) in common. Depression was a common problem for people in that age cohort.
Wi-Fi is the name of a popular wireless networking technology that uses radio waves to provide wireless high-speed Internet and network connections. A common misconception is that the term Wi-Fi is short for  wireless fidelity , however this is not the case. Wi-Fi is simply a trademarked phrase that means IEEE 802.11x.
What is Verizon Wireless? Verizon Wireless is a large wireless carrier in the United States. It uses CDMA technology for its 2G and 3G network, and LTE technology for the 4G network that it launched in December of 2010. Verizon Wireless is a joint venture between parents Verizon Communications and Vodafone.