So what can we do to help prevent the next generation of kids from becoming victims — or perpetrators — of sad or bad mobile behavior? While there are plenty of online tools and apps for monitoring kids’ online behavior, the first line of defense really comes down to this: digital citizenship. “Golden rules” for the mobile era   As the old saying goes, “an ounce of prevention is worth a pound of cure.” In the course of teaching your child how to behave and treat others online, she’ll also learn how to spot red flags in other people’s online behavior, which will help keep her safe. Ideally, you’ll begin to educate your child about digital citizenship before allowing her to join social media — and model good social media habits yourself.