9 in 10 teens go online every day , unable to resist the lure of the Pew Research Centre . Parents also face a nightmare monitoring children as 71 % of teens use more than one social network , Facebook found . Nearly three-quarters of teens have or have access to a smartphone .
9 in 10 teens go online every day , unable to resist the lure of Facebook . Parents also face a nightmare monitoring children as 71 % of teens use more than one social network , the Pew Research Centre found . Nearly three-quarters of teens have or have access to a smartphone .