Alfalfa wrote Sally Sue a rude letter expressing his dislike for how she looked at him in class and her flirting with another boy. Cyberbullying involves using technology to deliberately harm others and became common as internet access grew in the late 1990s. It can cause lower self-esteem, poor grades, health issues, and increased risk of substance abuse and bullying for victims. Megan Meier committed suicide after being cyberbullied by a fake online boy created by a neighbor, leading to criminal charges. Parents and schools should educate youth on internet safety and how to respond to cyberbullying.