NEW YORK (AdAge.com) -- Do adolescents require special new protections against digital marketing techniques? In her talk at the Children's Advertising Review Unit Conference, Ellen Wartella cited new findings that suggest they might. The regulations for children's' advertising developed in the 1970s are based primarily on television viewing. But today's digital communications have completely changed the marketing environment. Ms. Wartella is a professor of psychology at the University of California and a CARU advisor.