 Now, 54 pledges were established in 16 states in April alone, according to The New York Times, and each pledge was signed by at least 10 families. In Spain, a parent-led group called Adolescence Free Mobile Phones has picked up 10,000 members around that country. Now, their goal is to keep smartphones at bay until kids turn 16. And the Spanish government has also stepped in, banning smartphones from all elementary schools.