Another result is that teenagers typically keep their phone calls short: 53 percent of teens, 59 percent of boys and 47 percent of girls said their calls last less than four minutes Video chats are becoming more popular according to the study. 23 percent of the participants said they are engaging in more video chats, and 83 percent of teens use video chats at least once a week That makes sense. It combines some characteristics of face-to-face interaction with the ease of technology.