First off, sorry to hear this, it pisses me off.
This is why I would be for banning all of these electronic devices with such features as texting, tweet, instagrams, social media, etc.
In the 80's when I was a kid if there were bullies all you had to do is stay out of their physical path. With these devices, these bullies pretty much enter your home into your children's devices. You can be tracked everywhere you exist. I hate all the I-phone, texting stuff, but then again I am an old fart.
The sad thing is that it's only going to get worse as time and technology grows on.