"Results of bullying are compounded due to the increasing use of the internet and mobile phones (Perren, Dooler, Shaw, and Cross, 2010; Smith et al,. 2008). This yields what is often referred to as cyberbullying." "It is an act of aggression that is intentional, repetitive, and towards an individual of lower power (cf. Olweus, 1993), but they extend it to electronic forms of contact (Perren at al., 2010; Smith et al., 2008). Cyberbullying can take various forms such as sending unwanted, derogatory, or threatening comments, spreading rumors, spreading pictures or videos that are offensive or embarrassing by text, email, chat or posting on websites including social networking sites (e.g. Ybarra & Mitchell, 2004a).
I didn't even consider cell phones when I thought of ways that people can cyberbully one another. The fact that wireless, internet-friendly devices can be carried on the go make it much easier for people to harass others at almost any time of day, wherever they may be.