the causes of cyber bullying are : lack of understanding, looking for attention, motivated by revenge , bullies are come from dysfunctional or broken families , someone else bullying them. The effects of cyber bullying: it can give them bad reputation,depression, it can give low self esteem into the victim and sometimes they commit suicide due embarrassment.
Cause is the present time... we live in the future...  ... and our influence from our family and friends..

effects ... we depend on it too much ... just like now...  we dont even use our brains anymore to think... we just search things  that we want to know on the world widenet