Tracking Apps: How to Get Buy-In From Your Teen

Our twin 16-year old sons left for Hawaii last week. Sure, they’re in a tropical paradise, but they’re also participating in a community service program. They’ll spend their days ascounselors at a Boys & Girls Club and, on weekends, they’ll have the opportunity to immerse themselves in another culture.

About three weeks before the trip to Hawaii, I emailed the boys an invitation toFind my Friends. This invasion of their privacy (according to them) was met with disdain and resistance. Instead...